The narrative of life on Earth is marked by a continual ebb and flow, characterized by the emergence and extinction of ...

That said, there is evidence of two minor mass-extinctions during the middle Cretaceous. One of them resulted in the extinction of the ichthyosaurs. Cretaceous-Paleogene (K-Pg) Extinction Event ...

Researchers from the University of Granada have compared the disaster caused by the Aznalcóllar spillage in the Doñana National Park in Andalusia 11 years ago with the biggest species extinction ...

Leaf fossils show severe end-Cretaceous plant extinction in southern Argentina Date: January 5, 2021 Source: Penn State Summary: The asteroid impact 66 million years ago that ushered in a mass ...

The most recent mass extinction event occurred 66 million years ago at the end of the Cretaceous period. In that event, a 6-mile wide asteroid smashed into Earth, leaving the Chicxulub crater of the ...

“The environmental disaster of Aznalcollar (southern Spain) as an approach to the Cretaceous-Palaeogene mass extinction event” Geobiology 7 (5): 533-543 diciembre de 2009.

A curious thing about the Cretaceous-Paleogene (K-Pg) mass extinction is that two apocalyptic-scale events happened at roughly the same time.

Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major mass extinction events. Each one took a considerable fraction of all the ...

The most famous of these mass extinction events — when an asteroid slammed into Earth 66 million years ago, dooming the dinosaurs and many other species — is also the most recent.

The Permian extinction saw the loss of 80 to 96 percent of all marine species. In the Cretaceous event, perhaps 60 to 75 percent of marine species disappeared. What caused these immense die-offs?

July 14 (UPI) -- Researchers said Tuesday that organisms in the ocean's abyss were able to recover quickly after the end-Cretaceous mass extinction event which killed off dinosaurs 66 million ...

The most famous of these mass extinction events — when an asteroid slammed into Earth 66 million years ago, dooming the dinosaurs and many other species — is also the most recent.