Our Solar System, like a sneaky little hobbit, seems to have stuffed its pockets full of hidden oceans. Jupiter, Saturn, Uranus, and Neptune all have moons astronomers think might be harboring liquid ...

Ariel’s medial grooves could provide important clues about the moon’s internal structure, particularly regarding the presence ...

Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in ...

Scientists have discovered that deep trenches on Uranus’ moon Ariel might be pathways for material from its interior to reach ...

Ariel, Uranus’s fourth largest moon, is thought to be made of equal ... used to detect liquid water oceans beneath Ariel’s icy surface.