A new animation reveals an enormous lava lake on the surface of Jupiter's moon Io. The close-up view comes from NASA's Juno spacecraft, which swept within 930 miles (1,500 kilometers) of the ...

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...

Surface features of Uranus' icy moon Miranda point to the existence of a once deep ocean, one that still may exist today.

On Oct. 14, 2024, NASA launched a robotic spacecraft named Europa Clipper to Jupiter’s moons. Clipper will reach the ...

Io is Jupiter’s third-largest moon. As the moon is subjected to tremendous gravitational forces, its surface bulges up and down by, and is the most volcanically active body in our solar system.

NASA regularly releases breathtaking images of Jupiter and its moons, highlighting diverse celestial features. Jupiter has 95 moons officially recognized by the International Astronomical Union, many ...

The Hubble Space Telescope has spotted what appear to be geysers erupting from the surface ... the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto.

This artist’s concept depicts a potential volcanic moon between the exoplanet WASP-49 b, left, and its parent star. New evidence indicating that a massive sodium cloud observed near WASP-49 b is ...

The Europa Clipper spacecraft is depicted above the surface of the moon Europa ... of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. What type of life might ...

Scientists are trying to figure out how minerals connected to exoplanetary water would look to the James Webb Space Telescope ...

Similarly, Jupiter's moons Io and Europa have a 2:1 resonance (for ... enough tidal forces to sustain an ocean beneath Europa's surface. Miranda eventually fell out of sync with one of the other ...