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.

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

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 ...

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 ...

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 ...

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

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

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

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 ...

The idea of a creeping mass extinction has served as one of the scary subplots of our ongoing climate drama. For decades, scientists have warned that we may be on the cusp of, or already entering, the ...