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.

HHS Sec. Robert F. Kennedy's comments on autism have sparked outrage. NPR's Ayesha Rascoe asks Colin Killick, director of the Autistic Self Advocacy Network, for his reaction.

Big cuts to federal grants are now affecting non-profits that don't get federal support because private foundations are being swamped with requests to fill funding gaps.

New York Times reporter Brooks Barnes tells NPR's Ayesha Rascoe about Universal's new Florida theme park.

In Massachusetts, Revolutionary War reenactors gathered on the 250th anniversary of the Battles of Lexington and Concord, the first battles of the War for Independence.

A coalition of gangs is close to completely controlling the capital of Haiti. NPR's Ayesha Rascoe speaks with independent journalist Harold Isaac about the situation in Port-au-Prince.