In a booming fossil market, the T. rex had been dethroned by a stegosaurus. No longer. By Julia Jacobs and Zachary Small ...

A Tyrannosaurus rex skeleton from South Dakota, nicknamed Gus, has become the world’s most expensive fossil sold at auction.

Something extraordinary is going on sale tomorrow: a gigantic, 67-million-year-old dinosaur skeleton. Sotheby’s will auction ...

A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of ...

A 150-million-year-old bird fossil, Zhengheornis, reveals the first step in the evolution of the short tails seen in modern ...

Dinosaur fossils are rare to find in Antarctica because of the unforgiving ice caps. But millions of years ago, the region was populated by lush forests.

A mislabelled fossil, forgotten and sitting in a museum drawer for decades is actually more special than previously thought. The skull fossil belongs to an ancient species of saber-toothed cat that ...

A rare 450-million-year-old fossil with preserved soft tissue is revealing how some of Earth's earliest reef animals lived ...

A vertebra from the British Antarctic Survey collection has been recognized for what it is -- the first dinosaur fossil found ...

A rare dinosaur fossil, a tail bone from a long-necked, plant-eating titanosaur, has finally been identified decades after ...

Researchers analyzed 200 fossil teeth from ancient mammals in China, revealing how they adapted and diversified after the ...