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Food companies have two years to get Red Dye No. 3 out of their products. But other synthetic dyes have also raised concerns, because of behavioral issues in kids. Here's what parents need to consider.

The Trump administration slashed funding for the national service agency and fired most of its staff. 32,000 people, mostly young adults, were forced to stop work immediately.

The latest advance is not only encouraging news for patients with severe combined immunodeficiency. It's a test case for all those scientists working to develop better gene therapy techniques.

SARS-CoV-2 has been evolving the ability to evade the immune system about twice as fast as the fastest-evolving flu virus. It averages more than a dozen significant changes every year.

The team behind Sensorium Ex worked for five years to develop sophisticated technology that uses artificial intelligence and vocal sampling to create an expressive voice.

The nation's top safety investigators concluded there were multiple systemic failures that led to a midair blowout during the flight of an Alaska Airlines Boeing 737 Max jet last year.

NPR's Leila Fadel speaks with comedian Tommy Davidson about his new book, Living in Color: What's Funny About Me.

Donald Trump made a campaign stop in New York Sunday at a rally in Madison Square Garden. What's making big headlines today are the racist and misogynistic jokes from the speakers before him.

The secret to his success isn't just genius — it's collaboration a lot of creative friends. Author Daniel Pollack-Pelzner interviewed more than 150 people for his biography about the Hamilton creator.

In Pasadena, The Gamble House was in a fire evacuation zone and its custodians are trying to safeguard its future. In Altadena, only concrete walls are left from the former home of novelist Zane Grey.