If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other planetary ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Emily Costello, a planetary scientist at the University of Hawaiʻi at Mānoa, was selected by NASA as one of eight ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our ...

Saturn runs rings around Jupiter Ratification of 128 new moons put the smaller gas giant way ahead on satellite count The ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Jupiter's second-largest moon has more impact craters on its surface than any other planetary body in the solar system, and it has tons of ice on its surface as well. For decades. researchers ...