Scientists studying the Chicxulub crater have made strides in understanding the formation of central rings in large impact ...

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, flying at 27,000 mph (43,000 km/h), slammed directly into Earth. The impact ...

The great mass extinctions -- The impact hypothesis -- The controversy -- In search of the crater -- The discovery of Chicxulub crater -- Scenario of a catastrophe -- Impacts and other extinctions -- ...

After years of detective work, University geosciences professor Gerta Keller and her colleagues have found that an intensive period of volcanic eruptions and a series of asteroid impacts likely ended ...

A team of international scientists will begin drilling inside the Mexican crater site where it’s believed that an asteroid impact 66 million years ago caused the mass extinction of the dinosaurs. The ...

Scientists have long believed that RNA may have been the first molecule capable of storing information and evolving, a concept known as the "RNA First" hypothesis.

The end of the dinosaurs was clearly linked to an asteroid impact that brought the Cretaceous period to a close. But the details of their end have remained a matter of debate since the impact crater ...

How did the mass extinction of the dinosaurs play out, moment by moment? A giant asteroid impact ended the age of the dinosaurs 66 million years ago. How did this mass extinction play out, moment by ...

The city-size asteroid that hit Earth 66 million years ago and doomed the dinosaurs to extinction came from the northeast at a steep angle, maximizing the amount of climate-changing gases unleashed ...

Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...