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

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

The new Huayuan biota provides a 'unique window' into the Sinsk mass extinction event.

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

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

TL;DR• A mass die-off of sea urchins in the Canary Islands has led to a halt in reproduction, pointing to possible local ...

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

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

What turned Venus into hell? It could have simply been a steadily warming sun, but new research suggests that volcanoes may have played a role in creating a runaway greenhouse effect. And the same ...