Trilobite fossil from Grand Canyon’s Bright Angel Formation. Partial shield of Anoria tontoensis Walcott, 1916b. [DMNH 42917] ...

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 ...

The Arizona State Sun Devils take on the Grand Canyon Antelopes at Footprint Center in Phoenix, Arizona. Thursday's matchup is the first of the season between the teams.

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 ...

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

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.

Grand Canyon University filed a lawsuit in 2021, leading to a long battle with the U.S. Department of Education.

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

Donald Trump is projected to win the swing state of Arizona, giving him an additional 11 electoral votes, according to Decision Desk HQ.

Related: This One-of-a-Kind Mining Town in Arizona is One of the Best-Kept Secrets in the Southwest For those of you who ...