Scientists now say that's almost precisely what happened to the dinosaurs, on a much bigger scale: the asteroid that hit Chicxulub, Mexico, is still credited with killing the dinosaurs. However, a second asteroid hit during that same era at the Nadir crater off the coast of Guinea in western Africa,

For decades, the disappearance of dinosaurs has been tied to the Chicxulub asteroid, whose crater lies partly beneath Mexico’x Yucatan Peninsula. But new research has revealed that there were at least two dinosaur-killing asteroids.

Scientists have discovered new evidence that it wasn't just one asteroid that wiped out the dinosaurs 66 million years ago. There were two of them. It has