Newly understood instrumentation readings returned in the 1990s from NASA’s Galileo spacecraft in orbit of Jupiter have revealed that the craft not only encountered but also flew through ejecta ...

Both NASA and Firefly Aerospace say Blue Ghost remains healthy as it prepares to make for lunar orbit sometime next month.

Amalthea, however, is tricky to spot even when you have a spacecraft. NASA's Galileo mission imaged Amalthea in 1999. Large impact craters are visible. American astronomer Edward Emerson Barnard ...

The first close-up images of Io since NASA’s Galileo mission in 1997 revealed the emergence of a fresh volcano with multiple lava flows and volcanic deposits covering an area of about 180 ...

Europa's frozen, fissured surface, seen here in a colorized mosaic image from the Galileo spacecraft, hides a liquid ocean that may hold all the ingredients needed for life. Three key ingredients ...