A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.

Add Yahoo as a preferred source to see more of our stories on Google. Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet ...

The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to ...

In the paper from 2024, the team looked at long-period objects that crossed the path of Neptune's orbit, finding that their ...

While searching for the mysterious Planet X that some astronomers believe lurks on the edge of our solar system, researchers instead found an extremely distant object they dubbed "the Goblin." And ...

Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet Nine is far from over as scientists continue to uncover clues ...