Scientists recently made a fascinating discovery involving amber, a substance known for preserving ancient organisms.

Despite previous research, Earth's long-gone mega-reptiles probably weren't dying off before an impact winter did them in for ...

Twenty-two of North America’s 34 known species of dinosaurs were already extinct before an asteroid struck at the end of the Cretaceous period 65 million years ago. “It turns out that there were about ...

Laramidia was created 90 million years ago, during the late Cretaceous ... the hefty upside-down skull of a 30-foot-long hadrosaur, or duck-billed dinosaur. Its jaws were packed with as many ...

Bird-like dinosaurs did not make it through the extinction event 66 million years ago, but some of the early ... And as someone who has studied dinosaurs for a long time, I'm happy to know I ...

It’s a long-standing debate ... available for study from this time — more than 8,000 — suggest the number of dinosaur species peaked about 75 million years ago and then declined in the ...

Footprints of armored dinosaurs with tail clubs have been identified, following discoveries made in the Canadian Rockies. The 100-million-year-old fossilized footprints were found at sites at both ...

The dinosaur, named Duonychus tsogtbaatari, measured about 10 feet (3 meters) long, weighed approximately 575 pounds (260 kg) and lived roughly 90 to 95 million years ago during the Cretaceous ...