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.

Shedd Aquarium/Gavin Wright As well as being beautiful, coral reefs are important for the incredible biodiversity that they ...

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 ...

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

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

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

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

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.