NPR's A Martinez speaks to Demetre Daskalakis, a former high-ranking official at the CDC, about the agency renewing false claims about vaccines and autism.

Officials say a fire that spread through pavilions being used for U.N. climate talks in Brazil has prompted evacuations on the next-to-last day of the conference.

The lawsuit accuses the Nuclear Regulatory Commission of violating the law when it granted an exemption to allow Palisades to return to operating status.

"We heard you," said a statement from the company's Matt Rine, who faced stiff opposition at tense public forums to consider the idea this week.

A botulism outbreak that has sickened more than two dozen babies in 15 states has been linked to ByHeart formula sold nationwide. Here's what to know about it.

A Centers for Disease Control and Prevention webpage that previously stated "Vaccines do not cause autism" has been changed to cast doubt on the scientific research that supports the finding.

Millions of Americans face sharply rising costs for health care plans they bought through the Affordable Care Act marketplaces, unless Congress acts soon. Here's what's at stake for them.

Weight-loss drugs like Wegovy and Zepbound are highly effective for shedding pounds. But researchers at the Society for Neuroscience meeting say they are only beginning to understand how these products affect the brain.

Sleep scientist Michelle Carr has spent years researching dreaming. She explains dream engineering, including how sensory inputs like light, sound and vibration can influence the subconscious.

Scientists have long known that plastic waste is bad for marine animals. A new study quantifies how little ingested plastic it takes to be a lethal dose.