Researchers have dated vertebrae from a massive prehistoric shark thought to have ruled the waves off northern Australia back ...

The remarkable skull will be on display from December 22 through December 28. After spending the next few years behind the ...

Some 66 million years ago, a city bus-sized terrifying predator prowled a prehistoric river in what is now North Dakota. This ...

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

The recently acquired skull of the dome-headed dinosaur Pachycephalosaurus. USNM PAL 803273, Department of Paleobiology, Smithsonian Institution. Gift of Eric and Wendy Schmidt. Photo by James D.

Paleontologists counted the record-setting tracks and uncovered evidence of dinosaurs swimming and dragging their tails along what was a muddy superhighway for the animals millions of years ago ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from ...