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There's growing evidence that a lack of deep sleep increases the risk of Alzheimer's disease. Scientists say that's because during deep sleep, the brain removes toxins associated with Alzheimer's.

Every four years, the U.S. gets a look at how students around the country are doing in civics and history education. The latest snapshot has educators and legislators worried.

The Sudanese city of Port Sudan has been overwhelmed by people trying to flee the growing conflict in the country and make their way by ship across the Red Sea to the Saudi city of Jeddah.

Former Proud Boys chairman Enrique Tarrio and three other members of the far-right group were convicted Thursday on seditious conspiracy charges stemming from the U.S. Capitol siege on Jan. 6, 2021.

When incarcerated people leave prison, are they actually free? NPR's Michel Martin talks to singer/songwriter John Legend about a new documentary he narrates.

The Kremlin, the home and office of the Russian leader in the center of Moscow, was hit by a pair of drones. But who did it and how? That's the subject of a fierce debate between Russia and Ukraine.

A growing number of hospitals are shifting care into patients' homes. That means moving medications, machines and staffing with it, but hospitals are finding patients heal better, and it's cheaper.

Ukraine denies involvement in a drone strike on the Kremlin. The two warring factions in Sudan agree to a seven-day cease-fire. The White House will announce new policies on artificial intelligence.

The shift in hearing health care is due to a recent rule change by the FDA, which recently cleared the way for the devices to be sold in retail stores without the need for buyers to see a doctor.

Judith Heumann was a disability rights activist and a leader of the disability community. In 1977, she helped to revive legislation that set the groundwork for the Americans with Disabilities Act.