A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how mass extinctions actually play out on the ground. Instead of a clean break ...

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

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 ...

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 ...

An artist's reconstruction of the two tardigrade species found preserved in a pebble-sized piece of amber in Canada. Franz Anthony via Communications Biology under CC BY 4.0 Tardigrades are known for ...

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

Why did mammoths and other contemporary mammals disappear? Throughout its eventful existence, Earth has experienced five ...

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 ...

Some extinct mammals from Australia's Mammoth Cave included (from left) a giant long-nosed echidna, a short-faced kangaroo, a wombat-like marsupial and a Tasmanian thylacine. - Peter Schouten Recent ...

Shocking research has warned that humans are driving extinctions at a scale not seen since the mass extinction of the dinosaurs some 66 million years ago. The researchers from the University of York, ...