The dinosaur, named Duonychus tsogtbaatari, measured about 10 feet (3 meters) long, weighed approximately 575 pounds (260 kg) and lived roughly 90 to 95 million years ago during the Cretaceous ...

The remains of a giant "sea monster" found in a Mississippi riverbed have been determined to belong to the largest mosasaur ...

A NEW dog-sized dinosaur species that roamed the Earth 220 million years ago has been discovered. The Maleriraptor kuttyi is thought to be one of the earliest killer dinosaurs in history. The ...

"The sand was strong enough to retain the shape of their feet." —Weird bumps in UK quarry turn out to be 166 million-year-old dinosaur 'highway' for some of Jurassic's biggest dinosaurs When the ...