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 ...

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

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 ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.

The most famous example of such exquisitely preserved Cambrian fossils is the Burgess Shale of Canada.

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...

Almost all life on land and in the ocean was wiped out during "The Great Dying," a mass extinction event at the end of the Permian Era about 250 million years ago. New evidence suggests that the Great ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass ...