Paleontologists have discovered a new species of dinosaur that could be the closest-known relative of the famed Tyrannosaurus rex. The jaw of the dinosaur was found in 1983 by civilians boating in ...

More than 85 million years ago, a smaller-bodied ancestor of the Tyrannosaurus rex roamed the plains of Mongolia. The dinosaur's identity was unknown — until now.

A rendering of Tyrannosaurus mcraeensis, a newly identified relative of T. rex.A partial skull on view at the New Mexico Museum of Natural History and Science was key to the discovery ...

Like a Komodo dragon, the Tyrannosaurus rex needed lips to preserve its fangs, a new study says. Prior hypothesis’ believed T. rex teeth were like a crocodile’s, ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T ...

Tyrannosaurus rex may have been a cannibal. A young Yale University scientist, Nicholas Longrich, reports finding tooth marks on the feet and arms of four different T. rex fossils -- marks that ...

The Tyrannosaurus rex might have had scaly lips, according to researchers. A study said the predator's teeth were probably mostly covered and did not stick out.

A Tyrannosaurus rex dinosaur fossil skeleton is displayed in a gallery at Christie’s Auction House on Sept. 17, 2020 in New York City. (Spencer Platt/Getty Images) ...

The largest Tyrannosaurus rex ever discovered was "Scotty," a 43-foot-long, 19,555-pound monster who was unearthed in Canada in 1991. Now, a team of paleontologists says that the school-bus-sized ...

Don't tell the producers of Jurassic World, but dinosaurs like Tyrannosaurus rex may have grown even larger than we previously thought based on the fossils they left behind.. This is the ...

If Tyrannosaurus did appear in the Southwest, the team suggests, the genus’s giant size may have evolved to prey on the enormous herbivores found in the region, like Alamosaurus, a sauropod that ...

Item 1 of 6 A 67-million-year-old T-Rex skeleton named "TRX-293 TRINITY Tyrannosaurus" and measuring 11.6m long and 3.9m high, is seen during a preview at Koller auction house in Zurich ...