Meteor showers in July 2025 include the Perseids, Alpha Capricornids and Delta Aquariids. Here's when each shower peaks and how to see it in Arizona.

A thin layer found in the top few centimeters of soil plays a big role in its ecology. Biocrust is built, maintained and ...

June 26 marks 35 years since Arizona experienced one of the state's most destructive wildfires, killing six firefighters. It took 10 days to control the fire, and it led to sweeping reforms in safety ...

Looking back down the trail and forward, the Petroglyph National Monument is celebrating 35 years of being established as a national monument under the National Park Service.

Many American schoolchildren grow up learning that Yellowstone was the world’s first national park. But across the globe in Mongolia, just south of the capital, Ulaanbaatar, a mountain holds a claim ...

President Trump vowed Friday to open the nation’s only national monument in the Atlantic Ocean to commercial fishing, saying he was giving Maine back part of its history and the fishermen their ...

Lawyers for President Donald Trump's administration say he has the authority to abolish national monuments meant to protect historical and archaeological sites.

The Trump administration has announced plans to revoke or shrink certain national monuments as part of an anti-DEI movement.

Conservation groups gathered to support two national monuments, opposing a plan by the Trump administration to open lands to ...