The Republic's climate reporter started her journey on the Arizona Trail with detours that were forced by wildfires and left ...

The Youth Climate Coalition requested to meet with a high-level executive this summer after the CEO announced APS was walking ...

A stunning fossil discovery in the Grand Canyon has opened a new window into one of the most fascinating chapters in Earth’s history. Buried in rocks that are over 505 million years old, scientists ...

A set of fossilized footprints discovered in northern Arizona has revealed the silent journey of a prehistoric arachnid that walked the Earth around 260 million years ago. Preserved in stone, these ...

Republican Rep. David Schweikert is running for governor for Arizona, opening up a battleground House district in the Phoenix suburbs. In an interview with the Arizona Republic, Schweikert said he’s ...

AMES, Iowa — Arizona didn’t weather the storm Saturday night. The Wildcats were swallowed up by the white-out Cyclones at Jack Trice Stadium and never recovered. Arizona fell to 14th-ranked Iowa State ...

One of the largest measles outbreaks in the U.S. is now centered in bordering areas of southwestern Utah and Arizona. In Southwest Utah, all but one of the 27 confirmed cases are among unvaccinated, ...

At least three people are confirmed dead after heavy rain caused flooding in Arizona, and hundreds of propane tanks have created a hazardous situation in a rural community devastated by the floods.

AMES – Iowa State football was back in action Saturday, and the Cyclones looked like they didn't miss a beat. Iowa State returnd to the field after its first bye week of the season, and Matt ...

Flooding in Globe, Arizona, has killed several people and caused hazardous materials to spread across the roads, leading the mayor to write in a Saturday social media post that the city council "will ...

A search and rescue effort is underway for more potential victims. At least four people have been confirmed dead and two remain unaccounted for amid intense flooding in parts of Arizona, local ...

TEMPE, Ariz. — Standing beyond the north end zone at Mountain America Stadium, watching as Arizona State closed out a wild 27-24 win over No. 24 TCU on Friday night, I wrote a question in my ...