Scientists have long treated mass extinctions as events locked deep in the fossil record. That framing now feels less distant ...

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

A spectacular fossil trove on the Arctic island of Spitsbergen shows that marine life made a stunning comeback after Earth’s ...

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.

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

Migratory land mammals roam annually over large swaths of landscape to obtain seasonally available resources. For example, ...

Most closely related to dugongs, it was discovered in 1741 by biologist Georg Wilhelm Steller, after the expedition to North ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

Irrawaddy dolphins are rapidly disappearing across Asia. Scientists warn that fishing nets, pollution and habitat loss are pushing the species toward extinction unless urgent action is taken.

A new study on African penguins links food shortages and fishing to adult survival losses, raising the risk of extinction.