NASA’s Galileo spacecraft, which was designed to study the large, gaseous planet Jupiter and its moons, first caught hints of ...

Callisto, one of Jupiter’s largest moons, looks like a boring, crater-filled world. It doesn’t seem to have much going on ...

Join the Dallas Public Library staff for NASA/JPL Solar System Ambassador Donn Anderson’s presentation on The Europa Clipper: ...

The presence of an ocean leaves open the possibility that it could host life. Another nearby moon, Europa, is also considered ...

Jim Free, associate administrator at NASA, is set to retire on Feb. 22 after three decades of service.

NASA Associate Administrator Jim Free retires after 30+ years, leaving a legacy of leadership in space exploration.