Scientists found the nearly complete skull of a new 30-million-year-old ... a deadly and agile mammal the size of a modern-day leopard. open image in gallery Paleontologists have discovered ...

A team of scientists in Egypt have found a rare ancient skull belonging to a "fearsome ... and were around the size of a leopard, hunting primates and early hippos across Africa after the dinosaurs.

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

Scientists found the nearly complete skull of a new 30-million-year-old “top apex” predator ... The “fearsome carnivore” is a new species of ancient Hyaenodonta: a deadly and agile mammal the size of ...