A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

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

The way Sahaleanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

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

Fossil evidence points to a flying animal so massive it still challenges scientific understanding today. Researchers are ...

New fossil evidence is shedding light on a colossal marine predator that once ruled prehistoric oceans. Researchers are now ...

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