An invasive insect species that’s native to Northeast Asia has been discovered on Mount Desert Island. It’s believed that the ...

Dozens of Australian mammal species have declined and gone extinct since European colonisation – and introduced predators are ...

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.

Mineral deposits in limestone caves show that the now arid interior of Saudi Arabia repeatedly experienced increased rainfall ...

Looking for some things to do in Tucson, Arizona? This college town has plenty of outdoor activities and historic landmarks ...

High snow and endless fences made for a lethal combination that researchers and wildlife advocates are working to change.

Steve Lake envisions a zoo no more than 25 acres, with animals that could withstand the region’s extreme summer temperatures.

bobcats and desert cottontail rabbits on either side, putting them at risk for birth defects and decreasing their habitat.

Tiny endangered pupfish have returned to Ayer Lake at the Boyce Thompson Arboretum after the lake was drained for dam repairs ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to ...

The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans ...

The Mojave Desert may lose and gain suitable habitat for Gila monsters. But the unathletic reptiles might be mostly stuck in the waning oases.