New research finds extinction rates have been declining for a century, challenging assumptions of an ongoing mass extinction.

As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic ...

Thousands of glaciers have vanished over the past few decades and as the world continues to heat up, they are expected to disappear at an increasing pace. New research gives a glimpse of just how quic ...

"They teach you things." Group works to rescue tiny animals from brink of extinction after being shipped off to US: '[They] ...

A funding crisis at the Museum of the Earth and the Paleontological Research Institution in Ithaca, N.Y., could scatter ...

Indonesia's deadly flooding was an "extinction-level disturbance" for the world's rarest great ape, the tapanuli orangutan, ...

Scientists warn of peak glacier extinction, with thousands disappearing annually by mid-century depending on emissions. This ...

Whether a species has just freshly emerged, or it has been around for millions of years does not dictate its vulnerability.

A large fossil study shows young shark and ray species vanish faster, while older species stay stable over time.

Glaciers worldwide are racing toward extinction, with warming dictating whether thousands survive—or vanish forever.