All remaining games for the football and soccer tournament were canceled.

The Survey was conducted to get a better understanding of the mechanisms that drive the speeding up expansion of the universe ...

Leaders of the system which brings Colorado River water to Phoenix and Tucson say cutbacks outlined in federal plans would harm the area.

A winter storm watch remains in effect for several north Alabama counties. Ice accumulation could exceed an inch, causing ...

Much of the nation east of the Rocky Mountains is bracing for what could be the worst winter storm of the season.

How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at varying depths. In previous decades, it's been answered indirectly from data ...

Heavy snow, ice and brutal cold are expected to make this winter storm a potentially life-threatening weather event, ...

At least 245 new cases have been recorded, CDC data shows.

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 ...

The Environmental Protection Agency says it plans to end tracking carbon emissions in the U.S. But Northern Arizona ...

Meandering wild burros, staged Wild West shootouts, and a ribbon of pavement that twists through the Black Mountains with jaw ...

A 16-year-old girl was killed in a sledding accident, as eight people have been confirmed dead in New York since Friday.