While the Dome Fire wiped out more than a million Joshua trees in the Mojave Desert, the soil fungi they depend on largely ...

New research has found that the punishing summer temperatures and persistent drought conditions in much of Arizona and the Southwest are dealing a double whammy to trees attempting to regulate their ...

Wide shot of field of Joshua trees cactus and shadows in dry desert bush - Radomir Svihel/Getty Images Avi Kwa Ame National Monument, pronounced Ah-VEE kwa-meh, is one of America's newest and most ...

Just west of Tucson lies a vast stretch of desert that most travelers never experience. Covering nearly 190,000 acres, ...

Petrified Forest National Park is the only national park in the U.S. with a section of old Route 66. The park is also home to a "rainbow" forest, which has colorful tree fossils that are more than 200 ...

Study area and field photos. (A) Map of the study area showing the land use types and distribution of the ground survey transects (indicated by red lines). (B to D) Photographs of sampling sites ...

Generous donation enabled Yin to plant some of her earliest trees, sowing the seeds of a lasting friendship across continents ...

A woman has spent decades planting trees in the Maowusu Desert in Inner Mongolia to fight desertification. Her long efforts ...

If you love sleeping beneath millions of stars, among rock formations, cacti, and sand, these camping destinations in the ...

It’s been a while since we’ve had such an outpouring for something that doesn’t have to do with Donald Trump: Dozens of readers wrote letters to the editor expressing dismay over the construction of a ...

NEW YORK -- It's a tough time to be a tree. For this Earth Day, National Geographic has focused its lens on humanity's relationship with the world's 3 trillion trees and 10 billion acres of forest, ...