A federal judge has prohibited off-road vehicle use in critical habitat for desert tortoises in California’s western Mojave ...

Public lands in the California desert are filled with privately owned parcels.

Mojave National Preserve officials are continuing their efforts to protect endangered desert tortoises from vehicles with the installation of dozens of miles of roadside "tortoise fencing" in tortoise ...

A federal judge has partly ruled in favor of environmental groups challenging what one called a vast "spaghetti" network of popular off-road vehicle routes in the Mojave Desert, which they charge are ...

Good news for the California desert. The largest intact ecosystem left in the contiguous United States received a ...

In this April 4, 2008 file photo, Marines wait for a desert tortoise to move off the road at the U.S. Marine Corps' Air Ground Combat Center at Twentynine Palms, Calif. (AP Photo/Reed Saxon, File) SAN ...

Part of what makes America beautiful is its special creatures like the prehistoric-looking Mojave desert tortoise, whose survival in Nevada is more dire since a federal grant awarded to protect it ...

Spotting a Mojave Desert tortoise is increasingly difficult in the American Southwest. The tortoises, with their unmistakable domed patterned shells, live in California, parts of Nevada, Arizona and ...

Although sunlight is one of the cleanest forms of renewable energy available, clearing large swathes of desert habitat to ...

Roughly 740,000 acres of the Mojave Desert comprise California's newest national monument in Riverside and Imperial counties. Chuckwalla National Monument was established in mid-January by outgoing ...