Not everything dies in a mass extinction. Sea life recovered in different and surprising ways after the asteroid strike 66 million years ago. Ancient fossils recorded it all.

What the history of prior extinction panics has to teach us is that this pessimism is both politically questionable and questionably productive.

Researchers believe that Earth's mercury pollution may have played a role in the mass extinction event over 66 million years ago.

New research focusing on the last 3 million years of the Cretaceous period, managed to detail exactly the chronology of the climatic, magnetic and biological events prior to the great extinction ...