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NASA astronauts Jessica Meir and Chris Williams are pictured outside the International Space Station during a seven-hour, two-minute spacewalk on March 18, 2026. NASA/Jack Hathaway Science preparation and procedure reviews topped the schedule aboard the International Space Station on Wednesday. The seven Expedition 74 crew members conducted a variety ofContinue Reading

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5 min read NASA-JAXA’s XRISM Telescope Clocks Hot Wind of Galaxy M82 The cool wind of galaxy M82 drives gas and dust up to 40,000 light-years from its core, as shown here using data from NASA’s Chandra X-ray Observatory and Hubble and Spitzer space telescopes. The inset shows a ChandraContinue Reading

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This image captured by the L-band SAR instrument on the U.S.-Indian NISAR mission on Nov. 10, 2025, shows Seattle in the center of the image with Bainbridge Island at left. The satellite can peer through clouds to view Earth’s surface below. NASA/JPL-Caltech Seattle and Portland, Oregon, are among the cloudiestContinue Reading

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Caroline Tracey’s book “Salt Lakes: An Unnatural History,” traces the history and decline of some of the world’s saline lakes, but also looks at how “queer ecology” can help us find our place in ephemeral environments. By Wyatt Myskow When Mormon settlers descended upon the Salt Lake Valley in 1847,Continue Reading

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In a remarkable deep-sea breakthrough, researchers have discovered 24 new species of amphipods in the Pacific’s Clarion-Clipperton Zone—including a rare, entirely new superfamily. The findings reveal previously unknown branches of life and push the boundaries of how deep these creatures are known to live., Read MoreContinue Reading

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ExEP … Meetings/Events On the Shoulders of Giants: :… ExEP Home Overview Team Missions Science Overview Decadal Surveys ExoExplorers Technology Technology Overview Needs and Gap Lists Strategic Astrophysics Technology (SAT) Awards ExEP Technology Colloquium Series In-Space Servicing and Assembly (iSSA) Segmented Coronagraph Design and Analysis (SCDA) Starshade Technology Development StarshadeContinue Reading