Mexican environmental authorities say they have closed seven sawmills operating...

Villagers and elephants are competing for scarce water in a...

Hundreds of national wildlife refuges that provide critical habitat for...

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

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

Household dust exposes people to a wide range of toxic...

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,...