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 ...

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

Everybody knows that dinosaurs lived a long time ago, but what isn't well-known is just how long dinosaurs lived, and it's less than we once thought.

Who knows what life would have looked like on Earth if an extinction-level event hadn't killed all of the dinosaurs? I highly doubt the dinosaurs would have let us evolve and take over the planet the ...

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 ...

The researchers began to suspect changes in geology was somehow related to the mass extinction of dinosaurs - called the Cretaceous-Paleogene, or K-Pg, mass extinction. They started to examine what ...

Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, allowing the rise of mammals and leaving birds as their only living descendants.

Did the extinction of dinosaurs play a part in the creation of wine? While it may sound far-fetched, according to an article in the prestigious, peer-reviewed scientific journal Nature Plants, there ...

Did a collision with a giant asteroid or comet change the shape of life on Earth forever? It is widely agreed that such an object -- 10 kilometers across -- struck just off the coast of the Yucatan ...

Among today’s birds, the species most closely resembling their dinosaur ancestors are large, flightless ground-dwellers like ostriches, emus (pictured above), cassowaries, rheas, and kiwis. Some of ...