Researchers at SMU and the Perot Museum have identified a new species of mosasaur, a 'T. rex of the sea' that lived alongside ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called ...

There's a new T. rex in the fossil record, only this one terrorized the ancient seas. New research led by scientists at the ...

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

But more than half a billion years ago this wilderness was an ancient seafloor home to the wrinkled pancakes, fleshy fronds ...

Scientists claim to have detected a bizarre collection of organic molecules in ancient Martian rocks, including compounds better known to petroleum chemists than planetary scientists. Some of the ...

Reptiles have been growing armor in their skin on and off for hundreds of millions of years, but scientists never fully ...

Researchers describe Tylosaurus rex from more than a dozen previously known fossils and update dataset crucial for studying mosasaur evolution “Everything is bigger in Texas and that includes the ...