In lieu of federal action, the Arizona Department of Health Services issued a special order allowing pharmacists to administer the latest influenza vaccinations.

A tiny cactus that survives intense wildfire could offer clues about the resilience of ecosystems on the Colorado Plateau.

A week after the deadly Grand Canyon flooding, crews continue the search for a missing hiker as the park begins the long process of recovery.

President Donald Trump has signed an executive order directing his administration to begin the process to remove the Mexican gray wolf from the federal endangered species list.

Two Flagstaff residents had front-row seats — from the river and the trail — to deadly flash flooding that surged through Grand Canyon National Park.

The U.S. Forest Service is closing 23 research stations in more than a dozen states as part of an overhaul under President Donald Trump. The Flagstaff Forestry Sciences Laboratory is not impacted.

Actor Tatyana Ali says her healing journey after a traumatic childbirth has inspired her advocacy for Black maternal health, including support for midwives, doulas and other birth workers.

NPRs Ayesha Rascoe talks to The Roanoke Raven, a local Virginia "superhero" who highlights the work of nonprofits at events and in social media videos.

American men haven't clinched the Men's U.S. Open in more than two decades. Ben Shelton, 23, from Florida faces German, Alexander Zverev — whom he has never beat — in Sunday's tennis final.

NPR's Ayesha Rascoe asks University of Southampton's Thomas Dekeyser about worries AI is becoming fatally out of control.

100 years ago, silent film star Buster Keaton filmed The General in Cottage Grove, Ore. Fans are gathering there to celebrate the making of an epic early film.