The biggest mass extinction of all time happened 251 million years ago, at the Permian-Triassic boundary. Virtually all of life was wiped out, but the pattern of how life was killed off on land has ...

Deposits in Morocco associated with the Triassic-Jurassic mass extinction, 201.6 million years ago. Red sediments in many locations around the world contain Triassic-era fossils. The white band on top ...

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 Triassic–Jurassic transition represents one of Earth’s most profound episodes of biological upheaval, characterised by extensive volcanic activity, rapid climatic shifts and cascading ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

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 ...

The End-Cretaceous (K-Pg) Extinction: The Final Curtain Around 66 million years ago, Earth endured a mass extinction event that marked the end of the Cretaceous and the start of the Paleogene period.

A dense Arctic bonebed shows marine life and ocean food webs recovered far faster than scientists once believed after mass ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago. Reading time 3 minutes 252 million years ago, volcanic eruptions in ...

Some 215 million years ago in what is now northwestern Argentina, the terrestrial crocodylomorph Hemiprotosuchus leali prepares to devour the early mammal relative Chaliminia musteloides. “Lots of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. About 252 million years ago, extreme El Niño ocean warming events ...