Senior writer-editor at National Geographic. Adjunct professor at NYU-DC. Retweets are notifications. Typos unintended. Burma shave.

40-Year-Old Russian Engine at Heart of Rocket Investigation — Dan Vergano Published October 29, 2014 The fiery destruction of an Antares rocket left behind a launch pad covered in debris and questions about the rocket's use of refurbished Soviet-era engines. Investigators combed through the wreckage of the "catastrophic anomaly," as NASA's Rachel Kraft termed it Wednesday morning, the day after the crash at NASA's Wallops Flight Facility on Virginia's Eastern Shore.

Asteroids Offer Stepping-Stones to Mars, Expert Says — Dan Vergano Published October 29, 2014 Nearby asteroids are humanity's ticket to Mars, says a planetary scientist who's calling for an ambitious survey to map ones that could serve as stepping-stones to the red planet.

Highest Stone Age Campsite Reveals Grit of First Americans — Dan Vergano Published October 23, 2014 Paleo-Indian hunters ventured high into the Andes Mountains as early as 12,800 years ago, as much as two thousand years sooner than previously thought. The finding, reported Thursday in the journal Science , suggests that South America's first inhabitants raced across the continent rather than spreading slowly to its remotest corners.

45,000-Year-Old Bone Pinpoints Era of Human-Neanderthal Sex — Dan Vergano Published October 22, 2014 Unearthed by an ivory carver from a Siberian riverbank, a man's 45,000-year-old thigh bone reveals when people first mated with Neanderthals, an international genetics team reports Wednesday. The Ust'-Ishim man's thigh bone is the oldest human bone found so far outside of Africa and the Middle East, according to the report in the journal Nature .

Search Widens for Nepal Blizzard Survivors — Dan Vergano Published October 17, 2014 The death toll continues to mount following a deadly blizzard and avalanches in Nepal's Himalaya, but by Friday, hundreds of missing trekkers had been rescued. At least 28 people have died in the blizzard and avalanches that struck Nepal on Tuesday, according to the Nepal Mountaineering Association.

Avalanches Explained: How People Trigger Disasters — Dan Vergano Published October 17, 2014 Cartoon avalanches start with a snowball merrily rolling downhill, picking up more snow as it travels. That's not how it really works, say avalanche experts, which explains the deadly results of recent avalanches that caught hikers off guard in Nepal.

Dozen or More Feared Dead in Himalayan Blizzard and Avalanches — Dan Vergano Published October 15, 2014 A blizzard and avalanches in Nepal's Himalaya Mountains have killed hikers and guides in a popular trekking region, government officials said Wednesday, with more than a dozen feared dead and many others still missing.

Q&A: Cave Art Older, More Widespread Than Thought, Archaeologist Says — Newly dated cave paintings such as recent 40,000-year-old finds in Indonesia show that "our views have been too Eurocentric," says archaeologist Alistair Pike.

Cave Paintings in Indonesia Redraw Picture of Earliest Art — Dan Vergano Published October 8, 2014 A hand painted in an Indonesian caves dates to at least 39,900 years ago, making it among the oldest such images in the world, archaeologists reported Wednesday in a study that rewrites the history of art.

Undersea Mysteries Mapped by Satellite Gravity Sensors — Dan Vergano Published October 2, 2014 Ancient rifts hide under seafloor sediments along with thousands of uncharted underwater mountains, satellite images revealed on Thursday. Most of the world's deep ocean remains poorly charted, as the fruitless search for the missing Malaysia Airlines Flight 370 in the Indian Ocean earlier this year showed.
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Oct 29, 2014

RT @phylogenomics: Reading: Dartmouth and Stanford Apologize After a Political-Science Experiment Gone Wrong #IRB…

Oct 29, 2014

Review science book mailbag: The Ending of Time: Where Philosophy and Physics Meet by J. Krishnamurti & David Bohm (reissue)

Oct 29, 2014

RT @flatoday_jdean: 45th Space Wing: Atlas V good to go after review of common components w/ Antares. They "do not introduce any additional risk" to GPS IIF-8.

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