Yet more than one billion people, one-sixth of the Earth's population, actually live in desert regions. Deserts cover more than one-fifth of the Earth's land area, and they are found on every ...

Flagstaff Flagstaff stands out as a cool oasis amidst the arid desert climate of Arizona. Situated at an elevation of ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer Chimpanzees live only in African rainforests and woodlands. Orangutans ...