American alligators are 6 million years older than previously believed....

Loss of megaherbivores such as elephants and hippos can allow...

From skeletal remains found among ancient owl pellets, a team...

The deaths of many thousands of elephants at the hands...

Mosquitoes are more likely to feed on cattle than on...

At least 20 countries are expected to formally join the...

Indonesian forest fires that choked a swath of Southeast Asia...

Addressing fundamental unknowns about the earliest history of Earth’s crust,...

In the waters off the coast of Hawaii, a tall...

Residents near two former suburban Navy bases are suing producers...

The U.S. Forest Service has ripped up a portion of...