The National Drought Mitigation Center says nearly half of Arizona is in extreme drought, including most of Gila and Mohave counties and the southern portions of Yavapai, Coconino, Navajo and Apache counties.

A new study led by the University of Arizona suggests anxiety and post-traumatic stress disorder can have ripple effects on the reproductive health of female firefighters.

The Species from Feces Lab at Northern Arizona University examines DNA in animal feces. The lab’s motto is "to be number one at number two.”

More than 500 people demonstrated outside Flagstaff City Hall Monday in opposition to the Trump administration’s layoffs of thousands of federal workers.

The Sedona City Council gave preliminary approval to use more than $875,000 from the state for a rapid re-housing program that would help residents pay for the costs of moving into an apartment.

Grand Canyon National Park officials say crews have recovered the body of a 20-year-old California man who apparently drove a vehicle off the South Rim.

NPR's Scott Simon talks to Mike Scott of the Scottish band, The Waterboys, about their new album, "Life, Death & Dennis Hopper."

NPR's Scott Simon talks with Jo Harkin about her book, "The Pretender."

We look at the Supreme Court order temporarily blocking the deportations more Venezuelans under the Alien Enemies Act, as well as President Trump's push to remove the chair of the Federal Reserve.

A grassroots-led campaign organized hundreds of protests and events across the U.S. Organizers say the momentum built on resistance against the Trump administration has not slowed.

Here's the lowdown from allergy doctors on how to get relief, from which medicines to use — and how to best use them — to tips for keeping pollen out of your home.