Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

Hidden beneath Egypt’s desert sands, scientists uncovered a nearly complete skull of Bastetodon, a 30-million-year-old ...

More than 500 exceptionally preserved fossils are offering new clues about the evolution of Florida's animals and landscape.

In Fayum, Egypt, where now lies a barren desert, a lush forest once stood, teeming with life. Paradise for all creatures ...