Nicknamed “Gus,” this Tyrannosaurus rex is reportedly one of the biggest, most complete, and most expensive dinosaur fossils ...

One dinosaur is raring to make a massive splash this summer.

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 auction in New York.

Dinosaur lovers of all ages can travel back millions of years during Dinosaur Day at the Texas Science & Natural History ...

New research reveals that Tyrannosaurus rex took 40 years to reach its massive adult size, challenging previous beliefs about ...

Tyrannosaurus rex may have been a much slower grower than scientists realized. A new study of 17 tyrannosaur fossils found that the giant predator likely took about 40 years to reach its full size of ...

Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...

Scientists have raised concerns about the lack of Tyrannosaurus rex fossils for their research due to wealthy individuals buying them all. The mighty T. rex is one of the most iconic dinosaurs, easily ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

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 in length.

Classification and scale This animal was a mosasaur,a group of large marine reptiles that lived during the Late Cretaceous ...