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A post‑mission comparison of the Orion spacecraft heat shields from Artemis I (left) and Artemis II (right) are shown after removal from […]

X-ray: NASA/CXC/INAF-IRA/A. Botteon et al.; Infrared: UKIDSS-GPS ; Radio: ASTRON/LOFAR; Image processing: NASA/CXC/SAO/N. Wolk A formation of radio waves looks remarkably like […]

APOD Science APOD APOD: 2026 October 15 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD […]

Earth Observatory Science Earth Observatory Fires Arrive in the Amazon… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics […]

NASA astronaut Anil Menon conducts a spacewalk on Aug. 6, 2026, to prepare the International Space Station for future upgrades to its […]

NASA astronaut Jessica Watkins assists NASA astronaut Luke Delaney as he practices suiting up in a spacesuit in an International Space Station […]

X-ray: NASA/CXC/INAF-IRA/A. Botteon et al.; Infrared: UKIDSS-GPS ; Radio: ASTRON/LOFAR; Image processing: NASA/CXC/SAO/N. Wolk Astronomers have used NASA’s Chandra X-ray Observatory to […]

NASA/John Kraus Sunlight illuminates the exhaust plumes of a SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft on Oct. 13, 2026. […]

5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Yi Lin, SPEARS testing and research lead at NASA Langley, holds […]

As the Artemis II crew members came close to passing behind the Moon and experiencing a planned loss of signal, they captured […]