A Californian's stand against gas cars, mystery deepens in the killing of a Caltech physicist and more big stories ...

The desert tortoise, a once-resilient reptile, is a keystone species in the Mojave Desert, where other animals depend for their survival on the burrows it digs. But it is imperiled in California ...

Earth’s green center has been drifting steadily for decades, reflecting a change in where vegetation grows most intensely.

For decades, wilderness lands have been left largely unaltered by human activity. But those places are still changing, and ...

Ventura County is an agricultural hub renowned for premium produce, like strawberries and avocados. But, based on recent ...

The disappearance of “Today” show host Savannah Guthrie’s mother three weeks ago has inspired volunteers to launch their own searches in the dense desert near her home just outside Tucson ...

The Tulip Immersion Garden, where 50,000 tulips bloom in beauty every spring, tells the glory of the tulip from its Turkish origins to the Tulip Fever in the Netherlands to the present day. The ...

Long distance migratory birds are declining. The findings, therefore, will have implications for wind energy development in ...

Made famous by that Eagles song, Winslow is much more than just a corner to stand on. This historic Route 66 town offers ...

Australian researchers found that native Old Man Saltbush can boost protein and fiber in pasta while reducing added salt.

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...