Researchers from the University of Granada (UGR) have compared the disaster caused by the Aznalcollar spillage in the Donana National Park in Andalusia 11 years ago with the biggest species extinction ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

Learn more about Qreiya 3 Lagerstätte, a fossil-rich site that could help fill key gaps in marine evolution.

ANN ARBOR—Shortly after an asteroid slammed into Earth 66 million years ago, life for non-avian dinosaurs ended, but the evolutionary story for the early ancestors of birds began. The fossil record ...

This lineage was widespread and abundant in the Late Cretaceous, but just a few species survive today off the coasts of Australia. If you’re an animal living through a mass extinction, it’s best to be ...

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from ...

Add Yahoo as a preferred source to see more of our stories on Google. Some 215 million years ago in what is now northwestern Argentina, the terrestrial crocodylomorph Hemiprotosuchus leali prepares to ...

The Arctic was not simply a cold edge of the Cretaceous world, but a place where mammals adapted, diversified, migrated and ...

Around 66 million years ago, a gigantic asteroid smashed into Earth and wreaked chaos globally. It's not too surprising that size would be linked to survival, Lacovara said. On land, "it's pretty ...

A Tyrannosaurus rex has arrived at Greenwich, CT's Bruce Museum as part of a new traveling exhibition that takes visitors through the mass extinctions that reshaped life on Earth. “Six Extinctions” ...