In this animation a radar pulse bounces between the Sentinel-6 Michael Freilich satellite and the sea surface, collecting data on the height of the ocean. Credit: NASA/JPL-Caltech A satellite ...

Keith Cowing discusses his campaign to save an old 1970s NASA spacecraft from becoming space junk. ISEE-3/ICE is a satellite that was once used to monitor space weather, but it's been unused for ...

But artist Trevor Paglen and the Nevada Museum of Art want to launch a satellite with a completely ... In 2018, Calla left Space.com to join NASA's Jet Propulsion Laboratory media team where ...