For decades, motorists speeding down Interstate 90 in west-central South Dakota have done double takes at a towering human skeleton leading a T. rex on ...

A trio of researchers uncovered a massive marine reptile with the scientific name Tylosaurus rex after a hefty amount of ...

Come July, a Tyrannosaurus rex fossil is going under the hammer at Sotheby’s New York, with a colossal estimate to match.

A hidden Illinois museum packs dinosaur drama, live reptiles, Ice Age giants, and fossil-filled surprises into one unforgettable visit.

This summer, Sotheby's will auction "Gus," one of the largest and most complete Tyrannosaurus rex specimens ever discovered, ...

A Royal Society research paper published May 20 suggests that T. rex, which averaged more than 40 feet long with arms ...

Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a mighty slow walker.

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade ...

Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur ...

A handbag is promoted as the "world's first T. rex leather product". But scientists are questioning its authenticity. In early April, the Artis Zoo Museum in Amsterdam unveiled a handbag alongside a ...

Just when you thought it was safe to go back in the water, scientists have discovered a giant, bus-size sea predator that was ...

The Texas fossils were noticeably different from similar specimens found in Kansas. They were larger, had serrated teeth and ...