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The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T.

rex by about 6 to 7 million years, and rivals it in size at about 40 feet long. Some paleontologists believe the Tyrannosaurus migrated to North America from Asia across a land bridge. T.

An old dinosaur debate gained new traction after a new study's findings suggesting that miniature versions of the famed Tyrannosaurus rex may actually be a distinct species. Researchers from the ...

Some critics are pushing back against a new study that says Tyrannosaurus rex had lips. The world’s understanding of the Tyrannosaurus rex as a fearsome-looking predator with a face of razor ...

Don't tell the producers of Jurassic World, but dinosaurs like Tyrannosaurus rex may have grown even larger than we previously thought based on the fossils they left behind. This is the conclusion ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Remember that scene in Jurassic Park where the Tyrannosaurus rex chases down a Jeep?

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is ...

The jaw fossil for Tyrannosaurus mcraeensis has key distinctions from T. rex. Paleontologists have discovered a new species of dinosaur that could be the closest-known relative of the famed ...

In February, a team of scientists posited that Tyrannosaurus rex was actually three distinct species. Instead of there being only one sovereign “tyrant lizard king,” their paper made the case ...

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 ...