Amassive T. rex known as Gus is expected to draw worldwide attention when its remarkably complete skeleton goes up for ...

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

Known as “Gus,” the dinosaur is one of the largest and most complete Tyrannosaurus rexes to ever be discovered. It may fetch ...

It's anyone's guess how T. rex moved its puny arms, but now research on turkey wings and alligator arms is shedding light on ...

A 67-million-year-old T. rex fossil found on a South Dakota cattle ranch nicknamed 'Gus' could sell for up to $30 million at ...

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

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

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 ...

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

Paleontologists believe that the real T. rex sound was nothing like the roar you hear in the movies. But it's still terrifying! Since the T. rex is one of the most famous predators to ever live, film ...

If your image of Tyrannosaurus rex is based on the ferocious creature in "Jurassic Park," you've gotten quite a few things wrong about the "king of the dinosaurs." In recent years, paleontologists ...