On 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet.

Welcome to Vermilion Cliffs National Monument, a 294,000-acre wonderland of geological marvels nestled in the heart of ...

Get the poll delivered straight to your inbox with AP Top 25 Poll Alerts. Sign up here. Grand Canyon Antelopes (2-0) vs. Arizona State Sun Devils (2-1) Phoenix; Thursday, 9 p.m. EST BOTTOM LINE: ...

At 217 miles long, four to 18 miles wide and up to a mile deep, there’s no arguing that the Grand Canyon is one of the Seven ...

GRAND CANYON, Ariz. — It’s time to flock together on Sunday, Dec. 15, for the annual Christmas Bird Count, sponsored by the ...

GRAND CANYON, Ariz. — Grand Canyon Conservancy (GCC), the official nonprofit partner of Grand Canyon National Park, announced ...

Lean into winter at the Grand Canyon, at both the spectacular National Park and the indigenous lands at Grand Canyon West.

Collin Moore #8 of the Grand Canyon Antelopes reacts to a play during the second half against the Alabama Crimson Tide in the ...

The fee waiver applies to all 425 sites managed by the National Park Service, which normally charge up to $35 per vehicle. No passes or reservations are required for entry.

Almost a quarter of a century after he first travelled the iconic Route 66 by Harley-Davidson, Geoff Hill revisits the ...

Some races, such as the 6th Congressional District battle between incumbent Juan Ciscomani and challenger Kirsten Engel, remain exceptionally close.