Grand Canyon National Park lost 10 probationary employees to layoffs, causing long wait times at the South Rim entrance and delays to the Transcanyon Waterline replacement.

Marine reptiles called Ichthyosaurs existed millions of years ago within a vast ocean that surrounded the supercontinent known as Pangea. They had streamlined bodies adapted for swift movement in aquatic environments.

A grand jury has indicted a Show Low man in the fatal shooting of his 1-year-old daughter, and prosecutors say he carried out the crime with an AR-style rifle in front of the girl's mother.

The National Weather Service in Flagstaff will release avalanche reports for the first time to increase awareness and public safety.

This week’s meeting focused on the management of Glen Canyon Dam was canceled by the Trump Administration. It's one of many scientific conferences and federal meetings that have been canceled or indefinitely postponed.

Last summer, Congress allowed a program to compensate victims of Cold War-era radiation exposure to expire. Now, a new bipartisan effort to both revive and expand the Radiation Exposure Compensation Act is picking up steam.

NPR's Ailsa Chang speaks with Bree Fram, a U.S. Space Force officer, about the Supreme Court decision to allow the Trump administration's ban on trans troops to continue being enacted.

The updated dress code prohibits nudity on the Red Carpet and in other areas of the festival. The new rules surprised one jury member, who had to make a last-minute outfit change.

At times Monday evening, as few as three air traffic controllers per hour were lined up to monitor via radar the planes flying into and out of the airport, the Federal Aviation Administration said.

One payment processor has so far signaled to states that it intends to turn over data about millions of Americans to the federal government even as privacy groups warn that the request is illegal.

Two former dancers allege that they lived under a culture of fear and routinely performed despite injuries. Shen Yun has vehemently denied the claims.