Get Saguaro information, facts, photos, and more in this Saguaro National Park guide from National Geographic.

The world's race to decarbonise has led to the rise of electric cars - and with it, soaring demand for lithium, which is ...

As wild burro populations grow, they're putting native vegetation at risk, a new study shows, including the saguaro cactus.

No surprises at the top of the Arizona Super 25 high school football rankings, but who's that at No. 4 waiting for its shot ...

While visiting The Living Desert, local students got to feed a rhino and turn classroom lessons into hands-on conservation action.

The Extraterrestrial Highway in south central Nevada runs through one of the darkest and most desolate stretches of the continental United States — and it’s famous for alien encounters.

Water reuse is another game-changer. Dairy farms, for instance, recycle water to irrigate alfalfa fields, closing the loop on ...

The rock art was used to mark the location of water sources in an illustration of how ancient people tackled some of Earth’s most inhospitable environs.

NEFUD DESERT, SAUDI ARABIA—Researchers were recently surprised when they encountered more than 60 ancient rock art panels lining the mountainous terrain of the Nefud Desert in northern Saudi Arabia, ...

NEW YORK (AP) — Researchers have discovered life-size rock carvings of camels, gazelles and other animals in the Saudi Arabian desert. One family fled Afghanistan. Then US deportations scattered them ...

NEW YORK (AP) — Researchers have discovered life-size rock carvings of camels, gazelles and other animals in the Saudi Arabian desert. The carvings date back to around 12,000 years ago and many are ...

By Will Dunham (Reuters) -About 12,000 years ago, hunter-gatherers who inhabited a swathe of Arabian desert carved life-sized images of camels and other animals on sandstone cliffs and boulders, using ...