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.

As the growing tide of travelers strains housing, water and hot spots, protests and measures to lessen the effects of ...

For years, I passed the Two Guns exit on Interstate 40 east of Flagstaff without giving it a second thought. It was just ...

The geology, fossils and human stories of Florissant Fossil Beds National Monument are part of a common geologic heritage.

The mineral-rich Arctic island is open for tourism. Locals want to show what makes Greenland unique beyond a recent ...

Having long-term data sets like these is valuable and greatly assists current foresters to understand the impacts of climate ...

Petrified Forest National Monument was established in 1906 by President Theodore Roosevelt for the purpose of protecting the petrified wood deposits in the region.

In 1911, President William Taft reduced the size of the 60,776-acre Petrified Forest National Monument by 25,625 acres, stating only that a geological survey allowed the relevant land to be "more ...

It cites a variety of actions taken over the years. In 1911, President William Taft reduced the size of the 60,776-acre Petrified Forest National Monument by 25,625 acres, stating only that a ...

Joseph K. Giddens grew up in southern Arizona and studied natural resources at the University of Arizona. He later joined the National Park Service in many different roles focusing on geoscience ...

In Northern Arizona, off Highway 89, just about 30 minutes outside Flagstaff, there’s a fascinating roadside attraction worth stopping for— the Sunset Crater Volcano National Monument. This storied ...

A view of Cliff Palace at Mesa Verde National Park in Colorado. Don Mammoser/Adobe The author with her sons, Jasper, 9, (right) and Gideon, 7, at Petrified Forest National Park. Monica Housen ...