Colorado River conservation programs have stopped receiving money from the federal government despite temporary restraining orders intended to halt the Trump Administration’s funding freeze.

A Lukachukai man suspected of flying a drone over the Pinyon Plain uranium mine near the South Rim of the Grand Canyon Wednesday has been arrested.

The company that owns a uranium mine near the South Rim of the Grand Canyon has resumed trucking ore from the site. It follows an agreement with Navajo Nation officials last month to allow the shipments to cross the reservation.

Fewer than 2% of North America’s bark beetle species attack trees, but those that do have killed billions of conifers across the West over the last 30 years.

An area near the community of Pine Flats south of Mayer remains under evacuation Tuesday due to the Brady Fire.

A new study explains how two deep canyons formed very quickly on the moon during an asteroid impact. KNAU’s Melissa Sevigny spoke with local planetary scientist David Kring about the findings.

Iranian and U.S. officials continue indirect talks aimed at keeping Iran from developing nuclear weapons. The talks come amid reports that Trump told Israel to hold off on attacking Iranian facilities.

Two new studies suggest that stem cells are close to helping people with Parkinson's disease. The results are a victory for scientists who have spent decades trying to treat it with brain cells.

The Trump administration is considering sending people who are accused of crimes in the U.S. to prisons in El Salvador, both immigrants and U.S. citizens alike. Legal experts say sending people to foreign prisons is like dropping them into a black box, where they don't have the protections people in U.S. custody are afforded.

On the 30th anniversary of the Oklahoma City bombing, a theater production brings the stories of survivors and victims to the next generation.

Champion chess player and Soviet dissident Garry Kasparov has a few thoughts about how well democracy in the U.S. is doing. He tells NPR's Scott Simon that it's not America first - it's America alone.