From its formidable size to its fearsome hunting tactics, the Tarbosaurus reigned supreme. What does this colossal predator reveal about evolutionary history? The Tarbosaurus, a prehistoric giant that ...

In 2006, paleontologists searching the western Gobi Desert under the auspices of the Hayashibara Museum of Natural Sciences–Mongolian Paleontological Center Joint Expedition uncovered a rare fossil ...

This animal was part of a group of dinosaurs called theropods, making it a distant relative of ferocious meat-eaters like Tyrannosaurus and Velociraptor. But unlike other theropods, Therizinosaurus ...

Back in the 1990s, paleontologist Jack Horner proposed that Tyrannosaurus rex—popularly cast as the most fearsome predator of all time—was really a giant-sized scavenger. With its small arms, a large ...

Seventy-five million years ago, the Mongolian desert was home to dinosaurs of all shapes and sizes. But none were more astonishingly bizarre than Therizinosaurus. This creature was the proud owner of ...