The Madre Fire became California's largest blaze so far this year, ripping through grasslands after breaking out Wednesday in southeastern San Luis Obispo County.

Why is the smell of Arizona's monsoon so distinctive? It releases the aromas of the desert, one ecologist says.

As jewelflowers spread into California from the desert Southwest over the past couple of million years, they settled in ...

Sand scorpions, nocturnal hunters who spend their days in burrows, also leave distinct tracks.

California is home to more than 15 million acres of public land managed by the federal Bureau of Land Management. In his new ...

California, gripped by a housing shortage that is forcing families from the state, wants to build 2.5 million homes. But it’s ...

A lawsuit filed on Tuesday argues the federal government knows a rare desert wetland wildflower is in trouble, but it isn’t ...

A new lawsuit filed against the U.S. Fish and Wildlife Service is seeking Endangered Species Act protections for a rare ...

As jewelflowers spread into California from the desert Southwest over the past couple of million years, they settled in ...

Environmentalists filed suit against the Fish and Wildlife Service on Tuesday for alleged inaction in the face of threats to a rare desert plant called the Tecopa bird’s beak. Citing the presence or ...

The Center for Biological Diversity sued the U.S. Fish and Wildlife Service today seeking Endangered Species Act protections for the Tecopa bird’s beak, a rare desert wetland wildflower that grows in ...

Here are correct pronunciations of Tahquitz, Temalpakh, Tachevah and other Coachella Valley terms derived from the Cahuilla ...