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Health workers including community liaison officer Amelia Mfiki (far left) discuss the recruitment of participants for a new HIV vaccine trial in the township of Philippi Village in Cape Town, South Africa.

The near death -- and last-minute reprieve -- of a trial for an HIV vaccine

A trial was about to launch for a vaccine that would ward off the HIV virus. It would be an incredible breakthrough. Then it looked as if it would be over before it started.

Researchers collected and analyzed urine from chimpanzees in a Ugandan forest after they'd eaten fermented fruit to determine how much alcohol they'd consumed.

Chimps' taste for fermented fruit hints at the origins of humans' love of alcohol

Scientists analyzed the urine of wild chimpanzees who'd feasted on fallen fruit to see how much alcohol they consumed from the fermented sugars.

In 1982, Jean Muenchrath was injured in a mountaineering accident and on the brink of death when a stranger and his family went out of their way to save her life.

On the brink of death, a woman is saved by a stranger and his family

In 1982, Jean Muenchrath and her boyfriend went mountaineering in California's Sierra Nevada. Then, an unexpected storm veered them dangerously off course. Luckily, their unsung hero found them.

In Indonesia, a fishing village replants mangrove forests one seedling at a time

Over the last 30 years, 40% of Indonesia's mangroves have been cut down mainly to create fish and shrimp farms, destroying local ecosystems. But one small indigenous fishing village is changing that.

In this image taken from video, law enforcement officers respond to Manhattan's Upper East Side as New York City's police said they had identified a "suspicious device in a vehicle," Sunday, March 8, 2026, in New York. On Saturday, two men from Pennsylvania allegedly threw improvised explosive devices at anti-Muslim protesters.

Two suspects charged with aiding ISIS in attempted explosives attack in New York City

New York City NYPD Commissioner says the explosive devices "could have caused serious injury or death."

Los Angeles Mayor Karen Bass joined by other officials walk to a news conference near the scene of a helicopter crash in Chatsworth, a neighborhood in Los Angeles, Tuesday, Sept. 15, 2026.

3 people killed when news helicopter crashes while covering LA bus accident

A news helicopter used by NBC and Telemundo crashed in a Los Angeles neighborhood on Tuesday, killing at least three people while reporters were covering the nearby crash of an SUV and a city bus.

OpenAI flags new concerning AI behavior, to track model misalignment regularly

OpenAI has disclosed six reports on unexpected or concerning behavior in artificial-intelligence models. This includes models acting without authorization or evading oversight.

From fracking to data centers: Hearing from people on both sides of the opposition

NPR's Ayesha Rascoe speaks with environmentalist Bill McKibben and public relations specialist Frank Maisano about opposition to industrial development projects like fracking and data centers.

Russia pressures families of Ukrainian prisoners of war to cooperate

Russia is believed to be holding thousands of Ukrainians as prisoners of war.

Do you hate being middle-aged? NPR's Allison Aubrey wants to change that

NPR's Ailsa Chang speaks with Allison Aubrey, health and science correspondent for NPR and the author of Your Turn: How to Create a Midlife You Love. You can share your story of midlife reinvention.

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