Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on
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Pluto-Like World's Thin Atmosphere Poses a Mystery for Astronomers
Astronomers are puzzling over another oddball on the edge of the solar system: This time, it’s an icy object less than a quarter of Pluto’s size with a thin atmosphere
Rescue mission for NASA’s $500 million space telescope passes key testing milestone
Engineers from Katalyst stabilize their Link robotic servicing spacecraft as it moves into a vibration chamber at NASA Goddard on April 15, 2026. The vibration chamber simulated the intense shaking
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TEM of H. meridiana. H. meridiana after 2 h treatment in control solutions (a, b), 1 M ammonia (c, d), and pH-matched yeast media (pH 10.78, e, f). Yellow arrows:
Nearby sources contaminating the TOI-1117 photometry. Left: TPF-shaped heatmap with the pixel-by-pixel flux fraction from TOI-1117 in S13. The red grid is the SPOC aperture. The pixel scale is 21
An example of the output obtained by the horizontal reflection. From top left to bottom right we display six global views (blue lines) generated for six planet candidates KOIs from
Astronomers have discovered a staggering clutch of 15 new Giant Radio Galaxies within the “Sculptor Field” view of Australia’s Square Kilometer Array Pathfinder (ASKAP) telescope. This is a big deal
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 9 min read
The “Hubble tension” refers to a long-standing discrepancy in measurements of the universe’s expansion rate — specifically, between values calculated from nearby observations (like Cepheid variable stars and Type Ia
A bit after sunrise on June 6, 2025, NASA’s 2001 Mars Odyssey orbiter saw one of Mars’ biggest volcanoes, Arsia Mons, as it broke through the clouds. The volcano is
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) The Jet Propulsion Laboratory perfected aerogel for the Stardust mission. Under Stardust, bricks of aerogel covered panels on a
As the fourth private Dragon mission to the International Space Station (ISS) approaches, anticipation is building around the Axiom-4 (Ax-4) mission. Scheduled for launch on June 11 at 8:00 AM
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