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.

Republicans want to use the federal tax code to create a national school voucher even in states where voters have fought such efforts.

The Trump administration said it will end the Temporary Protected Status program for Afghanistan this summer. That means more than 9,000 refugees may be forced back to the Taliban-ruled country.

NPR's Mary Louise Kelly talks with Honor Jones about her debut novel, Sleep, and how the things people learn and endure in childhood affect how they parent.

The National Institute for Occupational Safety and Health is restoring several programs and bringing back the staffers who run them, but much of the agency's work is still on the chopping block.

The nation's aviation infrastructure is again under scrutiny, following a series of paralyzing communications and radar outages at some of the country's busiest airports. Here is a look at the scientific origins of radar.