Researchers analyzed the ancient DNA of two mummies from what is now Libya to learn about people who lived in the "Green ...

The Sahara Desert is one of Earth's most arid and desolate places, stretching across a swathe of North Africa that spans ...

The Mojave Desert may lose and gain suitable habitat for Gila monsters. But the unathletic reptiles might be mostly stuck in the waning oases.

These Arizona animals can harm or even kill a person with bites or stings. What to know about bark scorpions, black widows, ...

By using a key enzyme, scientists can mimic the same fat structure of foie gras, making it more ethical without sacrificing flavor.