The Nadir crater is the impact site of the second asteroid, liquifying the rock and launching a tsunami into the Atlantic Ocean.

The end of non-avian dinosaur’s time on Earth is often depicted as one big, knockout blow delivered by the cataclysmic asteroid Chicxulub, which crashed off the coast of what is now the Yucatán Peninsula. However, new evidence from a nine-kilometer-wide depression off the coast of West Africa suggests that it might’ve been more of a one-two punch.

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