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

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

Paleontologists at the North Carolina Museum of Natural Sciences have discovered a new species of dinosaur called nanotyrannus lancensis. The discovery came after studying a fossil called "Dueling ...

Despite being one of the most well-known and popular dinosaurs, we are still learning things about the Tyrannosaurus rex today. Scientists have recently discovered that T. rex likely originated in ...

One question dinosaur lovers have asked for years is what would happen if Tyrannosaurus rex and Spinosaurus ever met in ...

Nearly 300 Tyrannosaurus rex bones that were dug up from three sites in the United States and assembled into a single skeleton sold Tuesday at an auction in Switzerland for $5.3 million, below the ...