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

The extinction of the dinosaurs has been a hotly debated topic for decades, and whether it was an asteroid, a volcanic ...

We may finally have figured out where the asteroid that killed the dinosaurs actually came from. The discovery pinpoints the impactor's origins and reveals key insights into its chemical composition, ...

The Chicxulub Crater is located off the Yucatán Peninsula in Mexico and is believed to be caused by an asteroid 66 million years ago that measured six miles wide. The impact was catastrophic for life ...

This deep-dive explores the Chicxulub impact crater and what’s left of the dinosaur-killer asteroid today. KY Mayor Sends ...

You’re reading this because something catastrophic terminated the more than 150-million-year reign of the dinosaurs. A Brachiosaurus skull is seen at The Natural History Museum in Berlin on July 13, ...

A depiction of a large asteroid impacting Earth some 66 million years ago. Credit: Mark Garlick / Science Photo Library / Getty Images A menacing asteroid, some six miles wide, triggered Earth's last ...

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 ...

The asteroid responsible for our last mass extinction 66 million years ago — wiping out the dinosaurs — originated from the far reaches of our solar system, unlike most asteroids that have struck ...

Earth’s most famous killer asteroid came from the outer reaches of the solar system, researchers report in the Aug. 16 Science. Now, new chemical analyses of those rock layers, which mark the boundary ...

The asteroid responsible for our last mass extinction 66 million years ago — wiping out the dinosaurs — originated from the far reaches of our solar system, unlike most asteroids that have struck ...