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

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

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

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

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

Can we all agree that while there is such a thing as adult cartoons (you know, topics and humor kids can’t really appreciate) ...