In 2008, NASA’s now-departed Cassini spacecraft made its fastest flyby of Enceladus, the moon of Saturn that’s spewing its subsurface ocean into space. A new analysis of data from that flyby has ...
NASA’s Lucy spacecraft is set for a high-velocity encounter with the asteroid Donaldjohanson on Sunday, April 20, marking a critical waypoint in its 12-year, 4-billion-mile journey through the solar ...