What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...