Conservatives are calling on President Donald Trump to review President Joe Biden’s massive national monument designations. These include sites near the Grand Canyon, Spirit Mountain, and the Mojave D ...

Two gorges on the moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed. The moon canyons, ...

The moon's Schrödinger impact basin near the south pole holds two grand canyons formed by an enormous asteroid collision 3.8 ...

FLAGSTAFF, AZ (AZFamily) — It’s just months away from peak tourism season at national parks across the country, including the Grand Canyon. However, park employees across the country say job offers ...

GRAND CANYON NATIONAL PARK, Ariz.— Tribes, conservation organizations and community groups today defended Baaj Nwaavjo I’tah ...

The discovery of two Grand Canyons on the moon and analysis of the lunar south pole area will prepare astronauts for Artemis ...

An $850 million loan for KORE Power's huge Arizona factory was not finalized when the company called it quits.

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to mining or drilling.

The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...