Human actions, such as incidental fishing and ineffective policies, push one-third of shark populations toward extinction.

Extinction rates today are hundreds—perhaps thousands ... One way to think of a species, be it of ape or of ant, is as an answer to a puzzle: how to live on planet Earth.

Data shows that while retention bans are a positive first step, they alone won’t be sufficient to stop the ongoing decline.

On St. Patrick's Day, as celebrations fill the air, a group of researchers are quietly focused on a mission of their own, ...

Two of Earth's largest mass extinction events were likely triggered by the fallout from two supernovae in nearby space. This ...

As Earth's ever-present celestial companion, the moon exerts a constant influence on our planet, and its disappearance would ...

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...