Add Yahoo as a preferred source to see more of our stories on Google. This photo taken on July 10, 2024 shows part of an Apatosaurus' dinosaur skeleton at the Dampierre-en-Yvelines castle in France ...

Earth has a flair for dramatic resets, though it usually takes millions of years to deliver them. Over its long history, life has been knocked back by volcanic eruptions, climate swings, changing seas ...

If you’re an animal living through a mass extinction, it’s best to be one that’s found a unique way to make a living. A new analysis of the species that lived or died out in the wake of the asteroid ...

Last year, hiking in Morocco’s eastern Atlas Mountains, I found an ammonite, a fossil of those spiral-shape cephalopods that to many symbolize paleontology itself. The fossilization process had turned ...

Scientists are increasingly worried we may be witnessing the start of the “sixth mass extinction” – the first to be caused by human activities. Five earlier mass extinctions, caused by dramatic but ...

A speculative paper argues that ancient planetary flybys may have helped trigger some of Earth’s mass extinctions.

The Great Dying at the end of the Permian Period 250 million years ago may have been amplified by El Niño events far stronger and longer lasting than any today. These mega El Niños caused wild swings ...