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 ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents roughly an area the size of South Dakota being ...

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Shutterstock / Simone Hogan Credit: Shutterstock / Simone Hogan Nurturing a garden in a desert climate is a unique ...

There isn’t much green in the Sahara Desert, but after an unusual influx of rain, the color can be seen from space creeping into parts of one of the driest places in the world. Satellites recently ...

Justin Stewart, an ecologist with the Society for the Protection of Underground Networks, collects a sample of soil containing mycorrhizal fungi taken at Saguaro National Park. Credit: Wyatt ...

SAGUARO NATIONAL PARK, Ariz.—As the sprawl of homes begins to dissipate on the outskirts of Tucson, forests of saguaro cacti rise in its place, their arms twisting and twirling as if waving a welcome ...

Chefs in Arizona are using native Sonoran Desert ingredients to create unique dishes and educate the public. Climate change is threatening native crops, pushing them to their evolutionary limits due ...