A small fossil jaw rests in Argentina’s national natural science museum in Buenos Aires. The fossil, only six inches long, ...

For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth approximately 66 million years ago, leading to the extinction of about 70% ...

New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution ...

The evolution of life on planet Earth has occurred gradually over time, but it has not always been a peaceful process. Life has had to face cataclysmic environmental changes, and sometimes that ...

Colossal Laboratories & Biosciences, which has produced a trio of modern-day dire wolves and the woolly mouse, seeks to bring back extinct species.

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

Their research contradicts other recent studies, using alternative methods, that have laid the blame for dinosaur extinction solely on the asteroid and found that there's no strong evidence that ...

Dust from the asteroid impact was blown into the atmosphere where it blocked out the sun and led to the extinction of 75% of life, including all non-avian dinosaurs.

We know the main reason that the age of the dinosaurs came to an end: an asteroid impact on the Yucatán Peninsula some 66 million years ago. But how the dinosaurs’ reign began is far less clear—and ...

There was a time when the planet was crawling with enormous dinosaurs, the next, a six-mile-wide asteroid hit, and life ...