robustus in a discovery documented in January 2005. What makes this fossil exceptional is that the mammal is caught in the moment of attacking the almost fully grown dinosaur. It’s extremely ...

It's not uncommon for scientists to uncover new fossils from the ages of dinosaurs, but every now and then, a discovery reveals much rarer information. Scientists unearthed the fossil of the small ...

A chicken-sized dinosaur fossil is challenging the mainstream view of how and when reptiles spread to the Northern Hemisphere ...

The jaw fossil for Tyrannosaurus mcraeensis has key distinctions from T. rex. Paleontologists have discovered a new species of dinosaur that could be the closest-known relative of the famed ...

A first-of-its-kind fossil ... dinosaur's left anterior dorsal ribs; its mandible plunges downward into the indurated sediment to firmly clasp the bones," the study's authors wrote. The discovery ...