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

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

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There have been five major extinction events that have fundamentally changed how ...

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

Investigating the 'overkill' hypothesis, this piece explores how human-wildlife conflict may have driven megafaunal ...

This lineage was widespread and abundant in the Late Cretaceous, but just a few species survive today off the coasts of Australia. If you’re an animal living through a mass extinction, it’s best to be ...

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

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 ...

OSLO (Reuters) - Life in the oceans is at imminent risk of the worst spate of extinctions in millions of years due to threats such as climate change and over-fishing, a study showed on Tuesday. Time ...

A fire-bellied newt (Cynops ensicauda) on Amami Island in Japan. Previously thought to be extinct, the newt and others in its genera are still alive. (John J. Wiens/University of Arizona) (CN) — For ...

Speciation and extinction are the twin engines that have sculpted the diversity of life on Earth. Speciation, the process by which new species arise from ancestral populations, is driven by a mixture ...