Mojave Desert tortoises are endangered. Before they disappear completely, officials have to do something to protect them.

Rare skull fossils of Spinosaurus found in the Sahara reveal a new species with a crest and evidence it hunted fish in inland rivers.

The Bureau of Land Management was ordered to close down popular off-roading trails in parts of the Mojave in order to protect the imperiled desert tortoise.

Millions of years in the making, a major discovery is turning heads around the globe. A paleontologist from the University of Chicago has uncovered a new dinosaur species in the Sahara Desert.

Add Yahoo as a preferred source to see more of our stories on Google. Plants grow among solar panels at the Gemini Solar Project, near Las Vegas. Courtesy of Tiffany Pereira A rare desert plant is ...

Mt. Graham is known as a sky island, a mountain ecosystem surrounded by a “sea of desert.” Its isolation makes the Mt. Graham ...

The man was aware that the animal's population was threatened prior to killing it.

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...

The red-necked ostrich was identified as the closest relative of the extinct Arabian ostrich, and for its ability to survive ...

South African wildlife photographer Wim van den Heever was crowned Wildlife Photographer of the Year. His winning shot of the elusive brown hyena was a decade in the making.

Animals in Arches National Park are just full of surprises. And this stunning desert landscape isn’t just about rock ...