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Articles by Mark Carreau
Trump Presents Artemis II Crew With Medals Of Honor
Mark Carreau August 28, 2026 President Donald Trump with U.S. astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian astronaut Jeremy Hansen in Houston. Credit: NASA HOUSTON—President Donald Trump presented the four Artemis II crewmembers with the Congressional Space Medal of Honor during ceremonies Aug. 28 at NASA’s Johnson Space Center here. The astronauts join a historically significant list of space explorers recognized for their meritorious efforts to...
International Space Station Receives Altitude Boost
Mark Carreau August 27, 2026 Northrop Grumman’s Cygnus XL cargo craft is pictured installed to the Unity module’s Earth-facing port as the International Space Station orbits 262 mi. above the Atlantic Ocean off the coast of South Africa. Credit: NASA HOUSTON—The International Space Station got a lift Aug. 27 as Northrop Grumman’s Cygnus XL cargo ship fired its thrusters for more than 20 min. to raise the orbit of the nearly 1-million-lb. outpost. The 20 min. 43-sec.
NASA Extends AnalySwift Deep-Space Infrastructure Development Effort
Mark Carreau August 27, 2026 Kawai Kwok, an associate professor in Purdue University’s School of Aeronautics and Astronautics, will be the principal investigator on a project with commercial software provider AnalySwift LLC. Credit: Alan Cesar/Purdue University HOUSTON—AnalySwift LLC, a Purdue University-affiliated firm, has won a $899,738, two-year NASA contract to develop robotic technology that could let astronauts build, dismantle and reconfigure large structures in deep space.
Spacewalkers Complete Delayed Space Station Antenna Install
Mark Carreau August 25, 2026 ISS Credit: NASA HOUSTON—Two astronauts successfully completed the delayed installation of a high-data-rate, air-to-ground Ku band antenna on the exterior of the International Space Station’s (ISS) U.S. segment during a 6-1/2 hr. spacewalk on Aug. 25. During an Aug. 18 spacewalk, NASA and European Space Agency... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
CesiumAstro Inc. Announces 1Aardvark Acquisition
Mark Carreau August 25, 2026 Credit: CesiumAstro HOUSTON—To expand capabilities to provide space systems with greater autonomy and resilience in demanding environments, Austin, Texas-based CesiumAstro Inc. announced the acquisition of 1Aardvark of Manassas, Virginia. 1Aardvark is a small business focused on mission software, algorithms and systems... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Trump Unveils New Space Transportation Policy
Mark Carreau August 21, 2026 President Trump Credit: NASA President Trump has issued a National Security Presidential Memorandum aimed at reinvigorating leadership in space transportation by enabling more than 1,000 launches and reentries on U.S. soil by 2030. Underpinnings include assuring “reliable, affordable, modernized access to space transportation... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Plans Retry Of ISS Spacewalk Antenna Install On Aug. 25
Mark Carreau August 20, 2026 Expedition 75 flight engineers Anil Menon of NASA (left) and Sophie Adenot of the European Space Agency work during their Aug. 18 spacewalk. Credit: NASA HOUSTON—Two spacewalking astronauts will revive their attempt to install a replacement high-data-rate Ku band communications antenna outside the International Space Station (ISS) on Aug. 25. During a nearly 6 1/2-hr. spacewalk on Aug. 18, NASA’s Anil Menon and the European Space Agency’s Sophie...
GAO Urges NASA To Implement Cost-Saving Measures
Mark Carreau August 19, 2026 The Space Launch System rocket carrying the Orion spacecraft is launched for the Artemis I flight test in 2022. Credit: NASA HOUSTON—The U.S. Government Accountability Office (GAO) has alerted top NASA officials of lapses in the agency’s implementation of four “priority recommendations” in three management areas that auditors contend “could significantly improve NASA operations.” In all, NASA had 46 open recommendations...
ISS Spacewalk Stalled By Fastener Issues
Mark Carreau August 18, 2026 ISS Credit: NASA HOUSTON—Two spacewalkers experienced delays Aug. 18 that prevented them from completing the replacement of an aging Ku band communications antenna on the exterior of the International Space Station’s (ISS) U.S. segment. Mission managers and flight controllers are to assess whether the ISS crew can... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Selects Commercial Payload Processing Services Providers
Mark Carreau August 17, 2026 Credit: NASA HOUSTON—NASA has selected four companies to provide commercial payload processing services for agency mission launches from multiple sites where the capabilities were not available at the time of initial mission contract awards. The Spacecraft Processing Operations Contract initiative is a multiple... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
CesiumAstro Buys Jariet Technologies To Improve Comm Tech
Mark Carreau August 13, 2026 Element satellite Credit: CesiumAstro HOUSTON—CesiumAstro, Inc., a provider of advanced connectivity solutions for space and defense, has purchased Jariet Technologies, a fabless semiconductor provider for satellite communications, electronic warfare and radar systems. CesiumAstro’s Aug. 12 announcement did not include cost details. The... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Swift Observatory Boost Mission Regains Attitude Control
Mark Carreau August 12, 2026 NASA’s Swift Observatory is a satellite that studies gamma-ray bursts and other cosmic objects and events. Credit: NASA HOUSTON—NASA and Katalyst Space report the LINK mission spacecraft has reestablished attitude control following a software update and can continue its journey to provide a life-extending altitude boost to the Neil Gehrels Swift Observatory. The update enables LINK to maintain stability using the...
NASA Zeros In On Flexible Radar Antennas For Mars SkyFall Mission
Mark Carreau August 12, 2026 A scientist at JPL testing an antenna for SkyFall's ground-penetrating radar. Credit: NASA/JPL-Caltech HOUSTON—The challenges being addressed for NASA's planned Space Reactor-1 (SR-1) mission to Mars with three Ingenuity-class helicopters equipped for low-altitude surface exploration include providing the ground-penetrating radar systems with flexible but tough antennas. Planned for launch in...
Spacewalkers Prepare Space Station For Final Roll Out Solar Arrays
Mark Carreau August 06, 2026 NASA astronauts Jessica Meir (left) and Anil Menon work outside the International Space Station during a spacewalk to install hardware for future power system upgrades. Credit: NASA HOUSTON—NASA astronauts Jessica Meir and Anil Menon assembled the final support structure in preparation for installation of the seventh and eighth ISS Roll Out Solar Arrays (iROSA) on the International Space Station during a 6 1/2-hr. Aug. 6 spacewalk.
NASA Seeks Info From Space Nuclear Tech Providers
Mark Carreau August 05, 2026 Graphic representation of a future lunar infrastructure. Credit: NASA HOUSTON—NASA has issued a request for information (RFI) for a Space Power and Reactor Capabilities (SPARC) contract to develop nuclear systems for use in space and on the Moon. Responses are due by Aug 17. The SPARC contract may include the delivery of technology development hardware and software... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA To Ramp Up ISS Mission Cadence To Hasten Rotation Rate
Mark Carreau August 03, 2026 From left to right, NASA astronauts Jessica Watkins and Luke Delaney, Canadian Space Agency astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov. Credit: NASA HOUSTON—NASA plans to move up the launch of four crewmembers to the International Space Station (ISS) to help hasten the crew rotation rate as the seven-person orbital lab approaches a planned 2030 safe deorbit. Three SpaceX Crew-13 NASA and Canadian astronauts and a Russian cosmonaut will be...
Space Station Spacewalkers To Conduct Solar Power Array Work
Mark Carreau July 30, 2026 ISS Credit: NASA HOUSTON–NASA plans an Aug. 6 spacewalk to prepare for the installation of additional power-augmenting Roll Out Solar Arrays (iROSAs) on the International Space Station (ISS). The excursion by astronauts Jessica Meir and Anil Menon is the next step in a solar power upgrade that began in 2021. The 6 1... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Katalyst LINK Suffers Attitude-Control Issue
Mark Carreau July 28, 2026 NASA’s Swift Observatory is a satellite that studies gamma-ray bursts and other cosmic objects and events. Credit: NASA HOUSTON—A mission designed to give NASA's Neil Gehrels Swift Observatory a new lease on life has encountered its first major hurdle after Katalyst's Lightweight In-space Navigation and Kinematics (LINK) servicing spacecraft developed attitude-control problems. A NASA bulletin released July 28...
Three Space Station Crewmembers Return To Earth
Mark Carreau July 27, 2026 The Soyuz MS‑28 spacecraft touches down at 5:26 a.m. CDT (3:26 p.m. local time) on July 26, completing a parachute‑assisted landing on the Kazakh steppe southeast of Dzhezkazgan. Credit: NASA HOUSTON—Russia’s Soyuz MS-28 crew capsule departed the International Space Station (ISS) for a safe parachute-assisted descent into remote Kazakhstan early July 26, ending an eight-month mission for two Russian cosmonauts and a NASA astronaut.
GAO Report Offers NASA Good News, But Raises Cost, Schedule Concerns
Mark Carreau July 23, 2026 Artist's concept of Mars exploration. Credit: NASA HOUSTON—Most of NASA’s ambitious agenda for developing space exploration missions has not experienced cost overruns or schedule delays, an annual assessment by the U.S. Government Accountability Office (GAO) says. Yet NASA continues to face challenges on both the cost and schedule fronts as the... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Acknowledges Human Moon Base Challenges
Mark Carreau July 22, 2026 Artist’s concept of Phase 3 of NASA’s Moon Base. Credit: NASA HOUSTON—NASA is developing a sustainable human moon base with an evolving architecture likely to look different than currently perceived to address technical and scientific challenges, two agency members working on the project said during a summit presentation. On March 24 NASA Administrator Jared... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Venus Aerospace, Lockheed Team On Rotating Detonation Rocket Engine
Mark Carreau July 21, 2026 Credit: Venus Aerospace HOUSTON—Venus Aerospace and Lockheed Martin have entered a collaboration agreement for evaluation of Houston-based Venus’s rotating detonation rocket engine (RDRE) technology. The companies hope to achieve “precision fires” capabilities with efficiencies that translate into longer flight ranges and... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Venus Aerospace Expands Corporate Leadership
Mark Carreau July 17, 2026 Credit: Venus Aerospace HOUSTON—Venus Aerospace is expanding its corporate leadership team following a $91 million multi-investor funding round earlier this month to scale up development and production of its Rotation Detonation Rocket Engine (RDRE) for a range of defense and space applications. The July 16 announcement... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Embraces Challenges Of Saturn Moon Mission
Mark Carreau July 16, 2026 Applied Physics Laboratory engineer Jackson Banbury inspects the motorized arm that attaches Dragonfly’s high-gain antenna to the spacecraft's body. Credit: NASA/Johns Hopkins APL/Ed Whitman HOUSTON—Challenged with delivering potential scientific breakthroughs about how life came together on Earth, NASA’s Dragonfly mission to Saturn’s large moon Titan is preparing for launch no earlier than July 2028, with arrival in late 2034.
Axiom Space Bolsters Corporate Staff
Mark Carreau July 15, 2026 Axiom Space Chief Financial Officer Zach Gitomer and Chief Information Officer Erick Wegerer. Credit: Axiom Space HOUSTON—Axiom Space, the human commercial space exploration firm, has announced the appointments of Zach Gitomer to serve as chief financial officer and Erick Wegerer to serve as chief information officer. “Their strong record of helping complex organizations advance their strategic priorities will...
Russia Delivers Astronaut, Two Cosmonauts To Space Station
Mark Carreau July 14, 2026 From left, NASA astronaut Anil Menon and Roscosmos cosmonauts Pyotr Dubrov and Anna Kikina. Credit: NASA HOUSTON—Russia’s Soyuz MS-29 successfully launched and autonomously docked to the Russian segment of the International Space Station (ISS) on July 14, delivering a NASA astronaut and two Russian Roscosmos cosmonauts for a planned eight-month mission. The MS-29 lifted off from the Baikonur Cosmodrome...
NASA’s Lunar Capstone Mission: Done But Not Over
Mark Carreau July 13, 2026 Credit: NASA/Daniel Rutter HOUSTON—NASA’s extended Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment (Capstone) mission, the first U.S. commercial lunar mission and one that pioneered operations in a highly elliptic near rectilinear halo orbit (HALO) around the Moon has concluded. Capstone... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Selects Seven Companies To Enhance Mobility On Mars
Mark Carreau July 10, 2026 NASA’s Mars Perseverance rover. Credit: NASA NASA has selected seven companies eligible for contract awards to advance robotic surface mobility on Mars under the Mars Exploration Program's Science Transport and Robotic Innovation for Deployment and Exploration (STRIDE) initiative. Under STRIDE, the agency seeks to support the development of... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA's New Horizons Awakens From Lengthy Kuiper Belt Hibernation
Mark Carreau July 08, 2026 Credit: NASA NASA's New Horizons spacecraft has awakened from a 321-day hibernation period about 5.9 billion mi. from Earth and begun transmitting data gathered during the interim, according to an agency mission update. The awakening occurred on June 23. Signals took nearly 9 hr. to reach flight controllers at... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Research Effort Points To Method Of Detecting Orbiting Nuclear Weapons
Mark Carreau July 08, 2026 Credit: United Nations HOUSTON—An MIT-led simulation and modeling effort offers a potential space-based method for detecting nuclear weapons in Earth orbit. Such weapons are a violation of the Outer Space Treaty (OST), which entered into force in 1967. The treaty’s 117 signatories include the U.S., Russia and China. The... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Spacewalkers Fix Space Station’s Robot Arm
Mark Carreau June 30, 2026 NASA astronauts Chris Williams and Jessica Meir concluded their spacewalk outside the International Space Station at 3:40 p.m. EDT on June 30. Credit: NASA HOUSTON—NASA astronauts Chris Williams and Jessica Meir successfully replaced a malfunctioning wrist joint on the International Space Station’s (ISS) robot arm June 30 during a more than 7-hr. spacewalk. The 58-ft.-long, multi-jointed robot arm experienced a May 27 power surge and malfunction...
NASA Picks 37 Companies For Moon/Mars Tech Collaborations
Mark Carreau June 29, 2026 Credit: NASA Space Technology Mission Directorate HOUSTON—NASA has selected 41 proposals from 37 companies to advance technologies to establish a sustainable human presence at the Moon to prepare for human expeditions to Mars. The picks were made under the agency’s no exchange of funds 2025 Announcement of Collaboration Opportunity (ACO). Those... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA IG: Artemis Revisions Hold Promise Of Significant Cost Cuts
Mark Carreau June 25, 2026 Credit: NASA NASA Administrator Jared Isaacman’s restructuring of the Artemis lunar program has the potential to significantly reduce the cost of the overall initiative, according to a new interim assessment by the agency’s inspector general (IG). Under changes to the Artemis initiative outlined by Isaacman... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
B612 Foundation Schweickart Award Winners Urge Planetary Defense Expansion
Mark Carreau June 24, 2026 Asteroid Ida, discovered by the Galileo probe in 1993. Credit: Alamy HOUSTON—The B612 Foundation, a California non-profit focused on advances in planetary defense, has announced the 2026 recipient of its annual Schweickart Prize, a proposal that calls for extending efforts to prevent asteroid impacts across the cislunar realm. The 2026 winner, “Untold Threats: A... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Axiom Space Shifts Legal Domicile From Delaware To Texas Original
Mark Carreau June 23, 2026 Axiom Space CEO and President Jonathan Cirtain and Texas Gov. Greg Abbott announce that Axiom Space has redomiciled the company's legal headquarters in Texas. Credit: Axiom Space HOUSTON—Houston-based Axiom Space has changed its legal domicile from Delaware to Texas to align its legal home with its operational headquarters.
NASA Safety Panel Addresses 'Significant' ISS Air Leaks
Mark Carreau June 22, 2026 ISS Credit: NASA HOUSTON—A NASA safety panel on June 22 noted that the worrisome air leaks aboard the International Space Station remain "one of the most significant" safety risks aboard the outpost, while praising program managers for the precautionary steps they recently took while Russian cosmonauts looked into... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Safety Panel Praises Space Station For Air Leak Actions
Mark Carreau June 22, 2026 ISS Credit: NASA HOUSTON—A NASA safety panel praised the International Space Station (ISS) program on June 22 for the precautionary steps it recently took while Russian cosmonauts looked into the latest in a series of worrisome air leaks. The agency’s Aerospace Safety Advisory Panel (ASAP) addressed the situation... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA To Study Space Weather Impact On Earth’s Atmosphere Original
Mark Carreau June 22, 2026 Artist’s rendition of the Dynamic Atmosphere-Ionosphere Explorer (DAPHNE) mission concept. The coloring represents auroras and atmospheric waves in Earth’s atmosphere.
NASA's Artemis III Crew Includes A Veteran Backup Ready For Challenges
Mark Carreau June 19, 2026 Bob Hines. Credit: James Blair/NASA HOUSTON—While the spotlight did not fall on him so much when NASA named its four-person Artemis III mission prime crew, veteran astronaut Bob Hines' selection as the crew backup could be an indication of just how committed the agency is to acknowledging and addressing the venture's challenges... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Faces Challenges In Space Station Transition, GAO Says
Mark Carreau June 17, 2026 ISS Credit: NASA HOUSTON—NASA faces significant challenges in successfully transitioning crewed operations aboard the International Space Station to commercial successors prior to the planned safe deorbit of the ISS in 2030, a U.S. Government Accountability Office (GAO) report says. The 19-page report, released June... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Space Station Cargo Mission Splashes Down In Pacific
Mark Carreau June 17, 2026 Dragon Credit: Alamy HOUSTON—NASA’s 34th SpaceX Cargo Dragon mission successfully came back to Earth from the International Space Station (ISS) on June 17, splashing down off the coast of Southern California. The return took place at 8:11 a.m. EDT in the Pacific Ocean near the city of Oceanside. SpaceX led recovery... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
SpaceX Cargo Dragon Departs Space Station With Science Research
Mark Carreau June 16, 2026 NASA astronaut Jessica Meir prepares samples in the Life Sciences Glovebox to study how weightlessness affects crew blood clotting and immune function for the Megakaryocyte Flying-One investigation. Credit: NASA HOUSTON–NASA’s 34th SpaceX Dragon resupply capsule spacecraft has departed the International Space Station (ISS) loaded with scientific research and tested hardware cargo for a June 17 splashdown and recovery off the Southern California coast.
ISS Aids In-Space Manufacturing Plans To Restore Vision Loss
Mark Carreau June 11, 2026 LambdaVision Chief Scientific Officer Jordan Greco, CEO Nicole Wagner, and Lead Engineer Daniel Sylva (left to right) working in the company's lab in Woodbridge, Connecticut. Credit: Juan Patino Photography HOUSTON—The International Space Station (ISS) has helped establish an in-space manufacturing capability for the production of artificial retinas, a surgical asset intended to counter the loss of vision experienced by millions of people on Earth.
NASA Names Crewmembers For Challenging Artemis III Mission
Mark Carreau June 09, 2026 Artemis III mission crewmembers, from left, Andre Douglas, Luca Parmitano, Randy Bresnik, Frank Rubio. Credit: NASA/Bill Stafford HOUSTON—NASA on June 9 named three agency astronauts and a European Space Agency (ESA) astronaut as its Artemis III mission crewmembers. They are NASA astronauts Randy Bresnik, Andre Douglas and Frank Rubio, and the ESA’s Luca Parmitano. The planned two-week mission in 2027 is to include multiple...
Axiom, Prada Unveil Next-Generation NASA Spacesuit Element
Mark Carreau June 08, 2026 The Liquid Cooling and Ventilation Garment, at left. Credit: Axiom Space and Prada HOUSTON—Axiom Space and Italy’s Prada fashion house have unveiled the Liquid Coolant and Ventilation Garment (LCVG) element of the next-generation spacesuit they have developed for NASA’s Artemis mission astronauts. As Artemis astronauts prepare to walk on the Moon or climb aboard Lunar Terrain...
Axiom, Prada Unveil Next-Generation NASA Spacesuit Undergarment
Mark Carreau June 08, 2026 The Liquid Cooling and Ventilation Garment, at left. Credit: Axiom Space and Prada HOUSTON—Axiom Space and Italy’s Prada fashion house have unveiled the Liquid Coolant and Ventilation Garment (LCVG) element of the next-generation spacesuit they have developed for NASA’s Artemis mission astronauts. As Artemis astronauts prepare to walk on the Moon or climb aboard Lunar Terrain...
ISS Crewmembers Shelter Briefly As Cosmonauts Try To Fix Latest Leak
Mark Carreau June 05, 2026 International Space Station Credit: NASA Five of the International Space Station’s (ISS) seven crewmembers temporarily retreated to the docked SpaceX Crew-12 Dragon capsule as a safe haven on June 5 while the Russian space agency oversaw efforts by two cosmonauts to pursue repairs to a small but long-running air leak concern within the... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
NASA Ends Effort To Recover MAVEN Mars Orbiter
Mark Carreau June 03, 2026 Credit: NASA/Goddard Space Flight Center NASA's extended Mars Atmosphere and Volatile Evolution (MAVEN) mission has come to a close, the agency announced June 3. MAVEN launched on Nov. 18, 2013, to study the red planet's loss of atmosphere over time while also serving as a communications relay asset for surface rover missions. The... Mark Carreau Mark is based in Houston, where he has written on aerospace for more than 25 years.
Axiom Space Unveils Swiss Subsidiary
Mark Carreau June 02, 2026 Dr. Jonathan Cirtain (far right), Axiom Space's CEO and president, and Dr. Peggy Whitson (second from right), astronaut and vice president of Human Spaceflight, Axiom Space. Credit: Axiom Space HOUSTON—Axiom Space, developer of the commercial Axiom Station and a new generation of spacesuits, has announced the establishment of Axiom Space Switzerland, a wholly owned European subsidiary based in Lucerne.
NASA Strives To Expand Commercial Satellite Data Relay Capabilities
Mark Carreau June 02, 2026 Artist’s concept of the Polylingual Experimental Terminal (PExT) transmitting data. Credit: NASA/Morgan Johnson HOUSTON—NASA’s Polylingual Experimental Terminal (PExT), launched to enable interoperability between satellite relay networks, has completed its planned demonstration phase. And given its success and technical flexibility, PExT will continue operations to pursue new partnership opportunities and...
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