A new study says the tiny alpine streams that feed rivers like the Colorado are seeing less groundwater-fed streamflow. That could have a cascading effect.

Democratic Arizona Gov. Katie Hobbs has selected a Republican-turned-independent as her running mate in a tough reelection campaign. The ticket with former Mesa Mayor John Giles aims to appeal to Republicans and conservative independents in a state that once was a GOP stronghold.

Carter Eslick pleaded guilty to hazing a fraternity pledge who died after drinking excessively during a rush event. Under a plea deal, he could serve up to four years of probation and a year in jail.

The U.S. Senate voted Friday to confirm Mark Cruz, a citizen of the Klamath Tribes, to lead the federal agency that provides healthcare for some 2.8 million Native American and Alaska Native patients.

Lake Mead, the largest reservoir in the United States, has plummeted to its lowest water level since it was filled some 90 years ago, another sign of the crisis plaguing the Colorado River system.

Coal has long since given way to cleaner and cheaper energy sources. But President Trump is pushing for a coal comeback, which could have huge implications for the Navajo Nation.

Kevin Rideout "is in good health in the care of US officials," SIM International said in a statement, adding he would soon be reunited with his family.

Federal regulators are reviewing 'mention markets' that allow wagers on what public figures will say. And, Democratic lawmakers call for an investigation into conditions on the long-deployed USS Lincoln.

The USS Lincoln has been at sea since late last year, part of the administration's war with Iran. Military families are worried about the conditions sailors are living under.

Lawmakers want answers from the Pentagon chief and U.S. Navy about living conditions aboard the USS Lincoln. NPR's Michel Martin speaks with Democratic Sen. Ruben Gallego of Arizona.

A federal judge in Boston has dismissed a Trump administration lawsuit that claimed Harvard University did not do enough to protect students on campus from antisemitism.