A round 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

Some 66 million years ago, a devastating asteroid strike is believed to have been behind the mass extinction of the dinosaurs.

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

How different would our world be if dinosaurs were alive today? The answer is: very. Prehistoric in the present? We all love ...

The age of the dinosaurs ended 66 million years ago with the ultimate bad day, not a prolonged period of climate change wrought by volcanic activity, according to new research. The city-size asteroid ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

Dinosaurs ruled the Earth for over 150 million years. Compared to the mere 4–6 million years that scientists believe humans and their earliest ancestors have been on the planet, it wouldn’t be ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs.

JAXA's Hayabusa 2 mission to asteroid 1998 KY26 might have unexpected challenges following new data on the rock's size, spin, ...