The desert formations of the Pinnacles in Australia look like something out of a sci-fi movie — but they’re very real.

The desert also provides an unparalleled simulation of Martian conditions, with its harsh, arid landscape and intense ultraviolet radiation. Scientists frequently use the Atacama as a testing ground ...

Deserts are often dismissed as empty wastelands of sand and sun, but these arid landscapes hide some of the most perplexing ...