To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

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 ...

NASA's Juno spacecraft has been orbiting Jupiter since July 2016. The Clipper's impending trip to Europa represents the most ambitious attempt to image the moon since the Galileo mission conducted ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

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 ...

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 ...

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

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 ...

While multiple spacecraft have visited the Jovian moon since the 1960s, those previous two flybys were the closest any had gotten to Io's surface since the Galileo probe made numerous close flybys ...