Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

Fossils from Denmark suggest ammonites survived the asteroid extinction far longer than believed, raising new questions about how these ancient marine survivors finally disappeared after Earth’s most ...

The Cretaceous-Paleogene mass extinction, occurring approximately 66 million years ago, represents one of the most dramatic biotic crises in Earth’s history. It is marked by the abrupt disappearance ...

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

Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

What caused the extinction of the dinosaurs? The first thing that might come to mind is a meteorite crashing into the Earth. Assistant Professor Honami Sato, a geology researcher at the Faculty of ...

DALLAS - A meteorite hit Earth 380 million years ago with such force that it may have been responsible for the great extinction that occurred around that time, researchers have found. In Friday's ...