Coming off a year with the highest total of measles cases in two decades, the U.S. is off to a rocky start in trying to ...

A measles outbreak that exploded in South Carolina in the first weeks of 2026 has grabbed national media attention as cases continue to spread at slower rates in Utah and Arizona.

Arizona's new favorite dog breed might shock you. In 2025 a study showed the chihuahua was Arizona's favorite, but this new study says otherwise.

In this month’s Canyon Commentary, author Scott Thybony recounts his many adventures on the rugged Arizona Strip encountering wind-carved Navajo sandstone that can take on familiar-yet-otherworldly ...

Plan unforgettable day trips in Arizona with scenic drives, unique attractions, and must-see destinations for every traveler.

The Mexican-American War, fought to preserve slavery, helped bring on its destruction in the Civil War and imposed a border ...

Track when snow, sleet and ice from the historic 2026 winter storm will arrive in your state.

See when the potentially historic 2026 winter storm will get to you by watching this live radar.

We're two-thirds of the way through meteorological winter, and some regions of the United States are receiving more snow than ...

The United States secured the third-largest territorial acquisition in its history after a U.S. diplomat defied the president who appointed him.

Explore Arizona’s most remote and otherworldly spots, from sweeping deserts to hidden canyons, where adventure and solitude ...

About a month late, presumably due to last fall's government shutdown, the Census Bureau has released its estimates of the populations of the 50 states and the District of Columbia for July 1, 2025.