Research suggests ways to tackle water security challenges in world's drylands

Cameo has a new category just for scientists. So far there's only one.

Wild horses and donkeys in the Sonoran desert in North America dig their own water wells, inadvertently providing a water source for other animals and increasing biodiversity in the area.

Russia's Zeus Nuclear-Powered Tug to Search for Extraterrestrial Life, Roscosmos Chief Says