The asteroid 66 million years ago erased three-quarters of the world's species in an instant — but new research suggests the final blow may have unfolded in the following years, as the skies were darkened by clouds of debris and temperatures plunged. ⌘ Read more
The asteroid 66 million years ago erased three-quarters of the world's species in an instant — but new research suggests the final blow may have unfolded in the following years, as the skies were darkened by clouds of debris and temperatures plunged. ⌘ Read more