LAS VEGAS — On a sun-parched stretch of West Charleston Boulevard, Norm Schilling pulled his truck over to the side of the road just to visit his favorite tree. Schilling, a local horticulturalist who ...

In a country where nearly 95 per cent of the land is desert, sand is not just terrain, it is culture. Bedouin life, camel routes, oases and long crossings have shaped Saudi Arabia’s identity so deeply ...

To protect the southwest’s iconic Joshua trees, scientists are tinkering with their genetics and searching for climate havens in—and sometimes outside of—their existing habitat. Joshua trees are lit ...

As any experienced San Antonio gardener knows, South Texas summers can be brutal on plants. Following a brief burst of color in spring, the summer heat descends, often accompanied by months of little ...

Increasingly frequent and severe heat waves in the Southwest are damaging some desert plants known for thriving in harsh conditions. Saguaro cacti and agave have both suffered in sweltering weather ...