Early eukaryotes, the lineage that later gave rise to animals, plants and fungi, may have depended on oxygen from the start.

The discovery of polystrate fossils has sparked debate over their implications for the biblical flood narrative.

There's a new T. rex in the fossil record, only this one terrorized the ancient seas. New research led by scientists at the ...

A stunning fossil discovery in Ethiopia shows that early Homo and a previously unknown Australopithecus species lived together around 2.6 to 2.8 million years ago. The find overturns the classic ...

The ancient cephalopod, Nanaimoteuthis haggarti, appears to have been an apex predator that rivaled mosasaurs to rule prehistoric seas.

Today's Arctic may feel remote and desolate, but more than 70 million years ago, it was a surprisingly lively place for some ...

The companies that drilled these cores were largely unaware that within these mudstones were fossils of microscopic organisms ...

Trove of fossils discovered in Canada sheds light on "when life first became large, complex and unmistakenly animal." ...

Crack open Illinois’ prehistoric past at this hidden fossil spot, where ordinary rocks can reveal 300-million-year-old ...

New fossil discoveries in Canada's Mackenzie Mountains, dating back 567 million years, offer fresh insights into early animal ...