More than a century of fossils pulled from the ground told a straightforward story: dinosaurs thrived, then declined, then vanished in a fiery cataclysm 66 million years ago. The idea is that ...

Experts now say dinosaurs would have likely continued to dominate the planet had it not been for the asteroid.

The age of dinosaurs ended in cataclysm one spring day 66 million years ago when an asteroid 7.5 miles (12 km) wide hit Mexico's Yucatan peninsula, triggering the extinction of those remarkable ...

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or ...

A new study has revived a theory that dinosaurs were already doomed to die before the dino-killing asteroid hit Earth.

Dinosaurs dominated the world right up until a deadly asteroid hit the earth, leading to their mass extinction, some 66 million years ago, a landmark study reveals. Fresh insights into dinosaurs ...

A study of dinosaur eggs from the time of their mass extinction has said the species was already on its way out before an asteroid struck. Researchers from the Institute of Vertebrate Paleontology ...

The known asteroid — that is, the one that caused the extinction of the dinosaurs — landed in what is now the Yucatán Peninsula in Mexico, and left an impact site known as the Chicxulub crater.

A new paper suggests that asteroid dust kicked into the atmosphere may have caused a nuclear winter which fueled the death of the dinosaurs.

The asteroid brought a monstrous tsunami with mile-high waves that scoured the ocean floor thousands of miles from the impact site in Mexico.

When a city-size asteroid slammed into Earth 66 million years ago, it wiped out the dinosaurs – and sent a monster tsunami rippling around the planet, according to new research.