Former U.S. Sen. Jon Kyl, a longtime Republican lawmaker from Arizona who shaped landmark water policies in the U.S. West has died. According to his family, Kyl died Wednesday night from a neurological disorder.

Human remains found in the Grand Canyon this week were those of the last remaining person missing after the deadly flash flooding in late August, the victim's wife said Thursday.

Navajo police say two adults and a juvenile were washed away by a flood near Newcomb, New Mexico early Wednesday. Several other areas on the Navajo Nation are also dealing with flooding.

The Central Arizona Project board is voicing disagreement over whether federal water reclamation plans are fair to Arizona and other lower basin states.

An audit report of the Bureau of Indian Affairs' Missing and Murdered Unit reveals staffing challenges, a backlog of hundreds of case referrals and families left without required victims' services.

More than eight decades ago, pioneering Museum of Northern Arizona geologist Major L.F. Brady made a surprising find in sedimentary rocks high up on the east flank of Mt. Elden.

NPR's Elissa Nadworny speaks with Kristin Duncanson, a farmer in Minnesota, about how record high fuel prices are affecting her business.

Former U.S. deputy national security advisor Anne Neuberger is watching for signs of competition and cooperation on artificial intelligence at President Trump and Chinese leader Xi Jinping's summit this week.

There's a long history of killer AI in cinema. Today, those works of fiction feel more real than ever.

NPR's Elissa Nadworny speaks with Director Maya Annik Bedward about her new documentary, Black Zombie.

NPR's Elissa Nadworny speaks to Sayre Quevedo, creator of the "Reaching Out' podcast, about his and his brother's journey to find their biological father.