A natural rock formation that looks exactly like a giant skull? This Joshua Tree trail delivers one of the desert’s most unforgettable sights.

Paleontologists unearthed a new species of Spinosaurus in the Sahara Desert in Niger, a discovery that adds to the debate over whether the prehistoric creatures were fully or semi-aquatic ...

The newest member of the Spinosaurus family measures over 40 feet long. Here is what we know about paleontology’s latest ...

Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among the largest meat-eating dinosaurs.

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

Sereno, a National Geographic Explorer, says the newly discovered dinosaur was roughly the size of a Tyrannosaurus Rex, about ...

“I envision this dinosaur as a kind of ‘hell heron’ that had no problem wading on its sturdy legs into two meters of water, ...

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

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

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.

Less than a mile from the U.S.-Mexico border, the mountain lies within Coronado National Memorial, a 5,000-acre stub of ...

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