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

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

A new study explores the reason why the dinosaur T. rex has tiny arms.

If humans had the same arm proportions as a T. rex, a 6-foot-tall person would have arms about 11 inches long.

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

The Tyrannosaurus rex is among the most well-known dinosaurs. Huge skull, massive teeth, a body weighing tons—and then those ...

AUBURN, Wash. (AP/WJW) — Spectators cheered as participants ran down the track cloaked in inflatable Tyrannosaurus rex costumes during the T-Rex World Championship Races at Emerald Downs in Auburn, ...

(Richard T. Nowitz/The Image Bank Unreleased/Getty Images) You probably wouldn't say it to its face, but the famously ...