NANJING, Jan. 29 (Xinhua) -- Scientists in China have unearthed a treasure trove of ancient fossils that is helping to rewrite the story of one of Earth's earliest and least-understood catastrophes: ...

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 ...

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

Contributed by Kea Giles, Managing Editor, GeologyBoulder, Colo., USA: Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's ...

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

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

A new theory suggests depletion of trace elements in the oceans was a factor in three major mass extinction events in the past 600 million years, according to new research led by Flinders University's ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...

The evolution of life on planet Earth has occurred gradually over time, but it has not always been a peaceful process. Life has had to face cataclysmic environmental changes, and sometimes that ...

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 ...