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Miles O'Brien on Muck Rack

Miles O'Brien

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Boston, Āir
As seen in: CNN, PBS NewsHour, WGBH-FM (Boston, MA), Apple Podcasts, Washington Post Opinions, PBS, PBS Frontline, New York Magazine, Scientific American, Substack, Flipboard, Phys.org, WILL-TV (Urbana, IL) and
Miles O’Brien is a veteran science journalist, pilot & PBS NewsHour correspondent, telling stories on aviation, space, climate & technology.

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Contact Miles, search articles and posts on X, monitor coverage, and track replies from one place.

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Articles

How NASA's new space telescope could help solve mysteries of dark energy and dark matter

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By Amna Nawaz Verified, Miles O'Brien Verified, Karina Cuevas Verified, Bridget Craig
| PBS NewsHour Verified
Share on Facebook Share on Twitter Audio NASA launched its newest space telescope, undertaking its biggest mission yet to study the universe on a much larger scale. A roughly $4 billion project, the Nancy Grace Roman Space Telescope will allow scientists to get panoramic views of space and better understand the nature of powerful forces known as dark energy and dark matter. Miles O’Brien joined Amna Nawaz to discuss more.
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WATCH LIVE: Tipping Point — The Colorado River Reimagined | A PBS News Special

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By Miles O'Brien Verified, Kate Tobin
| PBS NewsHour Verified
Nation Aug 19, 2026 12:07 PM EDT The Colorado River is at a crossroads. About 40 million people depend on the Colorado River for drinking water, and it irrigates more than 5 million acres of farmland. But a decadeslong drought along the river has depleted water levels in reservoirs Lake Mead and Lake Powell to record lows. Dwindling snowpack in the headwaters and ever-increasing demand from agriculture and municipalities have overtaxed it to a near breaking point.
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Scientists explore large-scale geoengineering to slow glacier melt

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By Miles O'Brien Verified, Kate Tobin
| PBS NewsHour Verified
Share on Facebook Share on Twitter Audio At a time when the impact of climate change is undeniable, some researchers suggest we need to start work on far more ambitious approaches for tackling these problems. These proposals are often referred to as geoengineering. Science correspondent Miles O’Brien looks at one such concept to deal with the melting of glaciers and sea ice. It's for our series, Tipping Point.
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