Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, ...

Arizonasaurus was an archosaur from the Middle Triassic.

It's been 66 million years since dinosaurs roamed the Earth, and many may blame an asteroid's explosive collision with our planet for the end of the creatures' reign. But for years, scientists have ...

The researchers are not the first to propose that the space rock belonged to a group of asteroids that formed beyond the orbit of Jupiter. Their findings, however, strengthen the case thanks to a rare ...

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

For the first time, scientists have dated dinosaur eggs that lay buried in rock for millions of years, using a groundbreaking new ‘atomic clock for fossils’ method. During the Cretaceous period, Earth ...

A fossil skull from a long-extinct animal captivated the public when it went on display at the South Australian Museum.

Who would have thought that something as widely consumed today as the grape has its prehistoric roots in the time of the dinosaurs? In a groundbreaking discovery published in the journal Nature Plants ...

LITTLE ROCK — All around us, cultural icons are going the way of the brontosaurus. The gas-guzzling SUV? A dinosaur. The music CD? A dinosaur. The employer-matched 401(k)? A dinosaur. The only thing ...