The greatest mass extinction of all time was triggered by climatic conditions that are beginning to reappear today, ...

Around 252 million years ago, Earth’s oceans became a lethal test of animal physiology. Nearly every marine species vanished, ...

A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction ...

A new study reveals metabolism's role in Earth's greatest marine extinction event. Organisms' oxygen use and energy ...

Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in ...

The end-Triassic extinction is often overshadowed by the disaster that killed the dinosaurs, but on its own it ranks among the worst biological crises in Earth’s history. Around 201 million years ago, ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and ...

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 ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass extinctions have occurred, with five major mass extinctions being particularly ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers have uncovered the remains of a never-before-seen ancient ...

The end of the Triassic period, 201 million years ago, is considered one of the greatest mass extinction events in the history of the Earth. The main cause of this catastrophe for life and evolution ...

Add Yahoo as a preferred source to see more of our stories on Google. Alaska rock records show ocean deoxygenation began nearly 8 million years before the end-Triassic mass extinction. (CREDIT: ...