Discoveries from NASA's GRAIL mission reveal the moon's uneven interior, with a molten layer beneath the near side surface.

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

Titan, Saturn’s largest moon, has always fascinated scientists with its thick, hazy atmosphere—the only one like it on any ...

Ceres is the largest object in the asteroid belt, and a dwarf planet. I think sometimes people think of small, lumpy things ...