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Astronaut Christina Koch steps away from spaceflight after Artemis II
Four years ago, NASA punched an asteroid. The Hera probe arrives this month to inspect the wreckage
Starlink's Gen 3 System Faces Opposition From Radio Astronomers
Ambrosia Energy will build a 10 GWh factory in Texas to make batteries for off-grid data centers
New chip-scale gyroscope measures rotation with unprecedented sensitivity
How head of Army’s space command became a ‘huge believer’ on high-altitude surveillance balloons
OpenAI says it found a 'hidden' recording device planted in its office
Noah's Ark hunters build 3D scale model as 'phase 2' underway
Meet 'America's Top Young Scientist' for 2026 and her winning idea
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