Learning how pronghorn survived the climate changes that ended the ice ages anddrove so many other large mammals to ...

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

Sixty-six million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth. The ...

A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among ...

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...

Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...

It is thought that this giant snake lived in the ancient seas during the Eocene epoch, about 56 to 34 million years ago.

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

"What you see is what you get: Unlike adopting a puppy or kitten, you already know what a senior animal’s full size, personality and required care will likely be. This makes it easier to pick an ...

In rare cases, soft tissue and even dinosaur skin has been found to survive the fossilisation process. Rapid burial of these ...