About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, and shallow seas shrank fast.

Scientists in China have unearthed a treasure trove of ancient fossils that is helping to rewrite the story of one of Earth's ...

Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world ...

Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the ...

The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

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 ...

Mass extinction sounds scary, but it’s basically nature’s biggest reset button. Throughout Earth’s history, there have been five major events where huge numbers of species disappeared quickly, and ...

Tens of thousands of years ago, the first wave of a worldwide tsunami now known as the “Sixth Extinction” swept across the ...