PICACHO, Ariz. (AP) — How long does it take a large desert tortoise to get to the other side of a southern Arizona highway? It’s still a mystery, after a state Department of Public Safety ...

As daytime temperatures in the Horn of Africa climbed, a desert creature covered in “large” spikes sought refuge under a rock. But its hiding spot wouldn’t go unnoticed. Visiting scientists ...

Probably the first thing worth knowing is that the Sahara is not, in actuality, the biggest desert on the planet. At their most basic, deserts are defined as areas that receive less than 10 inches of ...

Desert animals have plenty of hair, and they need it to keep them warm on cold nights and protect their skin from the scalding sun. Their feet are designed to dig burrows and sit on top, not sink ...

A 26-year study at the Arid Recovery Reserve reveals how removing invasive predators like cats and foxes triggers a dramatic ...

A large tortoise was attempting to cross Interstate 10 before being intercepted by state troopers, according to the Arizona Department of Public Safety. A concerned motorist contacted local ...

But the York fire — and several large fires that preceded it — burned in a remote area in the center of the preserve that ecologist Joseph McAuliffe has dubbed the East Mojave Highlands.

A large tortoise was attempting to cross Interstate 10 before being intercepted by state troopers, according to the Arizona Department of Public Safety.

These monuments will play a vital role in saving hundreds of plants and animals, many of them unique to these landscapes, like the iconic Joshua Tree, desert bighorn sheep and pronghorn antelope ...

Desert animals have innovated cooling strategies that don’t require water loss. One common solution is to grow large ears like fennec foxes or long-eared jerboas. Their expansive lobes can shed heat ...

An Arizona Department of Public Safety trooper rescued a tortoise named Stitch from a highway after it had escaped from an ostrich farm 3 miles away.