Earth's history is marked by violent mass extinctions that have shaped life on the planet. Here's how many of these events ...

Many of the losers in these past mass extinctions were incredibly successful groups,” said Ceballos, a senior researcher at the Institute of Ecology at the National Autonomous University of Mexico.

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

Introduction -- Beginnings -- The end-Ordovician mass extinction -- The late Devonian mass extinction -- The end-Permian mass extinction -- The end-Triassic mass extinction -- The end-Cretaceous mass ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

The narrative of life on Earth is marked by a continual ebb and flow, characterized by the emergence and extinction of countless species over time. Extinction, an inherent aspect of the evolutionary ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Staring at a crocodile or alligator can feel like looking back in ...

CNN — The sixth mass extinction is not a worry for the future. It's happening now, much faster than previously expected, and it's entirely our fault, according to a study published Monday. Humans have ...