Quick Take Six animal species, including the slender-billed curlew and Christmas Island shrew, were confirmed extinct in 2025 ...

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

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

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

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

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

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

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?

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

Great whites are one of more than 20 Mediterranean shark species protected under international law, meaning it is illegal to ...

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.