WASHINGTON (AP) — President Donald Trump is granting two years of regulatory relief to coal-fired power plants, chemical manufacturers and other polluting industries as he seeks to reverse Biden-era ...

Classic rocker Steve Miller has canceled his U.S. tour because he said severe weather including extreme heat and ...

A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River ...

Spanning three quarters of a mile and almost 600 feet deep, Meteor Crater was blasted by a nickel-iron meteorite roughly the ...

Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists ...

Grand” is a weighty word to carry at the front of your name. It makes a remarkable promise; one that New York’s Grand Central ...

ALBUQUERQUE, N.M. (AP) — U.S. land managers are racing the clock as hotter, drier weather raises the risk of wildfires in the ...

Explore Arizona’s Painted Desert: colorful badlands, easy hikes, cultural gems, and top visiting tips for a one‑of‑a‑kind desert adventure.

A new study has revealed the formation of the Grand Canyon may be tied to the creation of another Arizona landmark.

W hen an asteroid made Meteor Crater in northern Arizona, it did more than leave the Earth’s best preserved impact crater.

Trail etiquette declines as social media hikers crowd scenic routes and turn once-quiet paths into busy, rule-bending photo stops. Viral posts are drawing hikers to ... Read moreThe post Trail ...

Is Arizona's most beautiful place an iconic red rock butte, a blue-green waterfall or an otherworldly cave formation? Vote in our stunning views poll.