View larger. | The Hubble Space Telescope captured this image of the interstellar comet 3I/ATLAS on July 21, 2025. It was the most buzzed-about story of 2025. Read more of
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HELSINKI — A first launch of the Long March 12A Chinese state-owned reusable rocket reached orbit late Monday, but attempted recovery of the first stage downrange failed. The Long March
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The abstract in PubMed or at the publisher’s site is linked when available and will open in a new window. In case you missed it: A Science Strategy for the
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 15 min read
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 13 min read
An H3 rocket from Mitsubishi Heavy Technologies and JAXA lifts off with the QZS-5 navigation satellite. The rocket suffered a second stage anomaly that prevented a successful deployment at the
Tory Bruno stands between a pair of Vulcan booster at United Launch Alliance’s rocket factory in Decatur, Alabama, on Nov. 4, 2025. Image: Will Robinson-Smith/Spaceflight Now United Launch Alliance announced
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 7 min read
WASHINGTON — CACI International said on Dec. 22 it is acquiring space technology company ARKA Group in an all-cash transaction valued at $2.6 billion, expanding its footprint in space-based sensing
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