Many people imagine Stegosaurus and Tyrannosaurus rex living side by side, but the fossil record shows they were separated by ...

Gus is about 12.5-feet-tall, 38-feet-long, and could fetch the highest price for any dinosaur ever sold at auction.

Images of the T. rex fossil nicknamed "Gus" up for auction at Sotheby's in July 2026. The skeleton is about 63% complete by ...

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...

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

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

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest ...

By Will Dunham May 28 (Reuters) - Tyrannosaurus rex was a huge land predator during the twilight of the age of dinosaurs. But ...