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

increasing the movement of particles and a higher likelihood of interesting things happening under the surface. Callisto, the outermost of Jupiter’s 95 moons, first caught NASA’s attention ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

My apologies for the delay here. This is a week of lengthier interviews as we prepare for the season preview special section ...

Jupiter and Saturn are believed to have first formed from a "bottom up" process in which a bunch of tiny, icy particles came together into a solid core ... peroxide on the surface of Charon ...

The Antarctic Meteorite Collection at the National Institute of Polar Research (NIPR) in Japan has been recognized as a ...