Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

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 ...

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 ...

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 ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A skeleton of a Dodo. - Kirsty Wigglesworth/AP Humans have wiped out hundreds of species — with many more on the brink or ...

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...

Marine communities migrated to Antarctica during the Earth's warmest period in 66 million years long before a mass-extinction event. Marine communities migrated to Antarctica during the Earth's ...

Extinction is inevitable. Expected. Almost all (99%) species that have ever existed have died out. Those disappearances have largely occurred at consistent background rates. But in the context of mass ...