Launched in 1977, the twin Voyager 1 and Voyager 2 spacecraft embarked on a Grand Tour of the outer solar system, a feat made ...

A new analysis of data from NASA’s Galileo spacecraft reveals a subsurface “ocean” of magma–either molten or partially molten–beneath the surface of Jupiter’s volcanic moon Io. The finding, from a ...

Imagine you had to experience an apocalypse every day. Volcanic eruptions, tsunamis, asteroid showers. Every day would be a ...

Jupiter's moon Io would be a terrible place to visit, with active volcanoes and planes of sulfur-dioxide frost. Of course, that distinctive environment is also what makes it so interesting to study.

After nearly 10 years, NASA’s Jupiter explorer Juno is likely no longer operating with its latest mission extension ending during the ongoing U.S. government shutdown.

LOS ANGELES - Since 1989, the camera on NASA's Galileo spacecraft has captured a comet slamming into Jupiter, volcanoes erupting on one of its moons and the first known moon orbiting an asteroid. On ...