Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million years ...

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

The extinction of dinosaurs reshaped rivers, forests, and landscapes—changes still recorded in the rock layers across North ...

The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes in landscapes - including the shape of rivers, say American scientists. Geologists have long ...

It won't be a massive asteroid that dooms these Seattle dinosaurs. The sky won’t darken into a lethal haze of vaporized rock and soot. But the Pacific Science Center’s animatronic dinosaurs are going ...

Dinosaurs' extinction "re-engineered" Earth's surface, according to new research. The reptiles had such an "immense" impact ...