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

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

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

The data was compared with observations from previous missions that have flown by Jupiter and its moons, such as NASA’s Galileo spacecraft, as well as ground-based telescopes. Together ...

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 ...