Add Yahoo as a preferred source to see more of our stories on Google. On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In ...

When a massive asteroid struck Earth 66 million years ago, it triggered the extinction of the dinosaurs and reshaped the planet’s surface. The violence of the Chicxulub impact was powerful enough to ...

This documentary explores one of the strangest scientific possibilities ever proposed: could fragments of dinosaur bones be hiding on the Moon? The journey begins with the discovery that pieces of ...

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Philippe Claeys, a visiting professor at the University of British Columbia, in front of an exhibit at the Pacific Museum of ...

Scientists have spent decades debating what killed the dinosaurs. Some say volcanoes triggered the dinosaurs’ decline a million years before the infamous asteroid hit 66 million years ago. Others say ...

A long-held theory suggests that the asteroid strike that killed off non-avian dinosaurs — and most large marine predators — 66 million years ago created an ecological opportunity that spurred the ...

Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass extinction in the way scientists previously thought. Reading time 3 minutes ...

About 66 million years ago, a space rock hurtled toward Earth and smashed into our planet along the coast of what’s now the Yucatan Peninsula in Mexico. The impact kicked massive amounts of debris up ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In North America, the superpredator Tyrannosaurus rex stalked its favorite ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from the carcass of a dead horned dinosaur, Triceratops, that she was feeding on ...