Prehistoric animals once roamed — and ruled — planet ... Though vastly different, they all died out in similar ways due to ...

University of California, RiversideMany experts didn’t think such tiny prehistoric fossils would ever be found. Fortunately, ...

With many varieties and sizes—they ranged from a millimeter to more than 2 feet (0.6 meters) in length—trilobites proved among the most successful and enduring of all prehistoric animals.

Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, grey-brown fur for camouflage.

Deep inside a labyrinth cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceroses into the walls, a fabulous prehistoric menagerie that ...