These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

A new analysis of enigmatic skulls from the Republic of Georgia suggest that Homo erectus wasn't the only human species to ...

Sixteen 5,200-year-old canoes have been discovered under Lake Mendota in the U.S., making most of them older than the ...

Ancient fossils from Moroccan caves, dated with rare precision, offer rare insight into early human evolution.