The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

While the moon once had a weak magnetic field generated by a small molten core, the team's research suggests it likely wouldn ...

"We suggest that the processes which formed the lunar maria several billion years ago are still present and active today." ...

The icy moon is far enough from Jupiter and the intense plasma-flooded ... the new study suggests that it doesn’t linger at depth long enough inside Io to form a massive, interconnected ocean. But ...

A decade-long NASA study has uncovered unexpected secrets deep inside the Moon, reshaping what we know about its ancient past ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

“Our study shows that the Moon’s interior is not uniform: the side facing Earth (the nearside) is warmer and more geologically active deep down than the far side. This difference is linked to the Moon ...

“The Moon’s nearside and far side look very different, as shown by differences in topography, crustal thickness, and the amount of heat-producing elements inside ... moon Io might be more ...

NASA scientists said Wednesday that they’ve unearthed new secrets about the moon. Specifically, they’ve gotten a better look ...

A decade-long NASA study has uncovered unexpected secrets deep inside the Moon ... map the internal structures of Jupiter's volcanic moon Io and the Vesta asteroid. Article continues below ...

Meanwhile, on Jupiter's moon Io, the most volcanically active world ... should help scientists better understand how planets and moons cycle heat inside them — something that affects weather ...