Ancient life-size carvings, hidden in the desert of Saudi Arabia, are forcing scientists to rethink how early humans lived in ...

Here’s what you’ll learn when you read this story: Etchings of camels and other animals found on sandstone walls in the Saudi Arabian ... desert of Saudi Arabia, a caravan of camels—alongside ibex, ...

Hundreds of life-sized animal petroglyphs suggest that the notoriously arid region was populated around 12,000 years ago, according to a new study.

Allowing a free-ranging nonnative species to roam a massive, unfenced area that includes millions of acres of private land has led to widespread dissatisfaction and decades of litigation. Are any ...

Horses have been part of human history for millennia, carrying warriors, farmers, and explorers across every kind of terrain.

Feral donkeys, or burros, in the Sonoran Desert have been eating the larger plants that provide shelter for smaller plants ...

Some biologists worry about the impact burros could have on Arizona's desert ecosystem from eating larger plants relied upon ...