The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

New research has found that a passing star could either cause another planet to collide into Earth, hurtle it into the sun or out into space. A paper by astronomers Nathan Kaib and Sean Raymond ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course ...