New guidelines are supposed to protect organ donors in a retrieval procedure that keeps blood flowing through livers, kidneys, lungs and hearts. But bioethicists have troubling questions.

It's everywhere on social media: Democrats celebrating the attractive men voters elected in the midterms. But it's bigger than a meme and says a lot about politics of masculinity in the age of Trump.

Kreiss-Tomkins, a former state legislator, ran a campaign emphasizing bipartisanship in the the state that usually votes Republican. At 37, he'll be the youngest governor in the state's history.

As the nationwide aviation ground stop continues, there are still planes in the sky. Pilots are having to navigate this situation as we continue to learn more.

All flights across the United States are grounded and millions of passengers are stranded. NPR talked to passengers at Ronald Reagan Washington National Airport.

Department of Homeland Security Secretary Markwayne Mullin spoke to at the White House on Friday afternoon after the FAA issues a total ground stop. NPR was there for the briefing.

Passengers stuck on airplanes on tarmacs across the country during the FAA ground stop on Friday share their stories.

The Federal Aviation Administration took an extraordinary step Friday afternoon by issuing a nationwide ground stop. No planes are taking off at any airport and millions of passengers are stranded.