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

Scientists have long treated mass extinctions as events locked deep in the fossil record. That framing now feels less distant. New research points to patterns that resemble earlier biological ...

Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

East-west coastlines trap marine species during warming, blocking escape routes and increasing extinction risk over millions ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

A new study led by researchers at the University of Oxford has shown that the shape and orientation of coastlines ...

An international team of scientists from South Africa, Canada, France and the UK has uncovered fossil evidence of a tiny ...

Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer than the rings of Saturn, and longer than most of the other life on ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Stewart Edie, Smithsonian Institution (THE CONVERSATION) About 66 million years ago – ...