A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

When you look at a fossil on display, you may envision the world 66 million years ago. You might feel the earth shake beneath ...

Perhaps we don’t know as much about the dinosaurs as we initially thought. Even the legendary Tyrannosaurus Rex, which is easily one of the best-known dinosaurs to walk the Earth, is hiding several ...

Tyrannosaurus rex, the fearsome carnivore depicted as fast on its feet in the "Jurassic Park" movies, may have been a bit of a slowpoke. A study suggests that at six tons and 40 feet in length, the ...

Chances are you’ve seen a Tyrannosaurus rex on film or in a museum. But what if there’s something we’ve been led to believe about the famous dinosaur that’s wrong? A new study in the journal Science ...

A new study debunks previous findings that the dinosaur's intelligence was similar to that of primates, finding instead that they're about as smart as modern-day crocodiles. When you purchase through ...