There’s a new T. rex in town. It shares the famous title, but not the territory: this one was a marine reptile, and its kingdom was the sea. Paleontologists have described a new marine reptile with a ...

Scientists discover new marine T-rex that was twice the size of great whites and ‘meaner than any mosasaur’ - Researchers say ...

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.

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite.

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 ...

Pigeon GPS lies in their liver, an archival interview with the woman who discovered pulsars, researchers found a network of ...

The study says the T. rex evolved to have an extremely strong skull, and since evolution tends to prefer perfecting one ...

Dinosaurs are once again taking over southwest Saskatchewan as the Royal Saskatchewan Museum officially opened the 2026 ...

At least five groups of two-legged, mostly meat-eating theropod dinosaurs experienced a shortening of the upper arms over the course of their evolutionary journey. But why did they have such comically ...

There's a new T. rex in town, but this one didn't hunt on land. It ruled the ancient seas. The species name means "king of the tylosaurs," according to a new study published Thursday (May 21) in the ...