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Theories that a preservative in childhood vaccines could cause autism have been disproved and dismissed. But Robert F. Kennedy Jr. says he'll be heading up a Trump-requested commission on the topic.

The astrophysicist says that participating in a "great unfolding of a cosmic story" should make us feel large, not small. This spring, Tyson hosts a TV series called Cosmos: A Space-Time Odyssey.

Despite a federal ban on funding the study of gun violence, researchers have published hundreds of studies in recent years exploring risk factors and solutions to the problem.

NPR politics and science correspondents round up the latest news in the federal response to the coronavirus epidemic in the United States, including of the passage of the emergency rescue bill.

A research start-up is connecting parents with scientists in hopes of sparking new research on diseases whose survival rates and treatment options haven't budged in 30 years

Most potential new drugs don't work when tested in people. It's a major disappointment and it drives up the cost of developing new drugs. One big reason is the use of animals in medical research.

The COVID-19 "long-haulers" continue to describe the symptoms they've experienced after contracting the virus. For many, like Jeanine Hays, it's a myriad of odd, extreme and debilitating conditions.

Explosions at two sites in Brussels reportedly killed at least 24 people and injured many more Tuesday. Politico's Europe reporter Zoya Sheftalovich and NPR's Dina Temple-Raston report.

At the farthest edge of North America, across the Bering Strait from Russia, U.S. military radar stations are threatened by the consequences of climate change.

Rescuers searching the hazardous slopes of Indonesia's Mount Marapi volcano found 11 more bodies of climbers who were caught by a surprise weekend eruption. More than 50 climbers were rescued.