A new study challenges the long-held belief that dinosaurs were already declining before the asteroid impact 66 million years ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

For decades, paleontologists have believed that the very first dinosaurs evolved in the southern parts of the ancient ...

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...

Scientists racing the clock to finish excavating top southern Utah dinosaur fossil site before construction on a power ...

Huge meat-eating dinosaurs and their plant-eating prey shared the same watering holes on Skye 167 million years ago, say ...

Get ready to travel back to prehistoric times at Woodland Park Zoo (WPZ) in Seattle. Dinosaur Discovery opens May 1 and runs ...

While researchers knew the 1.5-meter-long (about 5-foot-long) slab was around 200 million years old and home to an abundance of visible dinosaur footprints, the significance of the fossil remained ...

But 66 million years ago, tantalizingly close in time to when the dinosaurs went extinct, a multitude of sea creatures died here — a “mass death assemblage” — and sank to the bottom of ...