Scientists are narrowing down the type of space rock that caused the mass extinction at the end of the Cretaceous period, and new research suggests it was no ordinary rock. The Chicxulub impactor, the space rock that struck what is now Mexico 66 million years ago, left behind an enormous crater but almost nothing of [...]
Researchers have identified the type of asteroid responsible for mass extinction at the end of the Cretaceous period. The impact of the celestial body, which occurred 66 million years ago in the region that today is...