You might think of asteroids as just rocks of various sizes floating around in space. But they’re vastly more complex than ...

The spacecraft, which will look for life-supporting conditions on one of Jupiter's icy moons, could launch as soon as Oct. 10 ...

Ganymede, Callisto, Io, and Europa—their unique features, and their potential to reveal extraterrestrial life.

NASA is weeks away from sending its Clipper orbiter on a journey to the Jupiter moon Europa, which scientists believe could ...

Europa was first discovered in 1610 by Florentine astronomer, physicist, and engineer Galileo Galilei. Using a homemade ...

A NASA mission launching in October will send cameras and other scientific equipment to see, among other things, whether ...

By staring into the hellish landscape of Jupiter's moon Io—the most volcanically active location in the solar system—Cornell ...

Here’s what to know about our new, temporary celestial neighbor. Earth has a large gravitational pull. So it’s not uncommon ...

Saturn has 146 identified moons in its orbit. They range in size, the smallest being a few hundred feet across, to Titan, the second ...

SpaceX is watching the weather ahead of Tuesday's Falcon 9 launch of the European Commission's Galileo L13 mission, which ...

The images of the new volcano were taken by NASA's Juno spacecraft and its JunoCam as it made a flyby of Io — the solar ...

Recent analysis of JunoCam images has revealed a new, large volcanic formation on Io, showcasing significant geological ...