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

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

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

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There ...

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

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

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

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

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

NANJING -- 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: the first mass ...