A Republican in California's Central Valley fended off challengers for years. But his district had a lot of people on Medicaid, and he lost by a large margin this time.

Scientists have studied plenty of dinosaur bones, eggs and footprints. Now, some think they've found their strongest evidence yet of dinosaur blood.

Brain scientists set up "gladiator style" cage matches for mice — and found that simply observing fighting matches can rewire a mouse's brain to resemble those who actually fought.

But what if we could slow aging by simply going to a museum or concert?

Pulmonologist Vin Gupta discusses this year's flu season and early research into whether flu vaccines could help fight certain cancers.

A new report finds that some crops contain significantly fewer nutrients than decades ago, raising questions about modern farming practices.

A proposal to repeal the Roadless Rule could open more of Alaska's Tongass National Forest to road construction and logging.

Health clinics and organizations advocating for poor and working-class Nebraskans say the rollout of Medicaid work requirements has been rife with problems.

NASA needs more recruits in order to return to the moon after being gone more than half a century.

NPR's Ayesha Rascoe talks to Alex Fogg, Natural Resources Chief of Okaloosa County, Florida, about efforts to deliberately sink the SS United States and create an artificial reef in its wreckage.