Lack of knowledge about the drug, as well as stigma attached to sleeping with men or perceived promiscuity, are major barriers for PrEP treatment. Many also have concerns about costs and side effects.
Google recently came under sharp criticism after researchers found a major flaw in Android would let hackers take over smartphones. Now it's launching a new system to protect phones regularly.
In a speech today at American University, the president will try to convince the public that the nuclear deal is the best way to handle Iran.
More than 280,000 public comments in favor of the proposed pay ratio rule have been submitted to the SEC since the rule was formally proposed in 2013.
The headline on the Vatican's official news site makes the point clearly: "Pope: divorced and remarried people not excommunicated."
More than 300 people survived, according to local media reports. Just minutes before the crashes, another train had passed safely over the same area.
Some people wind up having to pay hospital deductibles on top of other medical deductibles. But those do not apply to outpatient procedures.
After its 2014 Advanced Placement U.S. history framework became a target of intense criticism, the College Board did something unusual: It agreed to a re-write.
The new bailout plan for Greece calls for a steep sales-tax increase on the Aegean Islands, raising fears it could harm tourism, one of the few sectors that's been doing well.
Some 260 million people spend about $10 billion annually at regional theme parks, and attendance is soaring. To attract more thrill-seekers, the parks have been adding bigger, faster rides.
Many Syrian refugee children haven't been to school in years. NPR's Deborah Amos visits one school in southern Turkey that serves as a refuge for those lucky enough to attend.
Natalia Molchanova took a recreational dive on Sunday, didn't come back up and is feared dead. Free divers hold their breath until they surface for air, instead of using breathing equipment.
Donald Trump is on top, followed by Jeb Bush and Scott Walker. Chris Christie and John Kasich barely make it in, while Rick Perry misses the cutoff for the main debate stage.
Corporate sustainability reports help measure firms' ecological footprints. Ford, for example, touts renewable materials in its cars. But some environmentalists say the reports can be misleading.
A judge ruled Monday that an Idaho law criminalizing undercover investigations of farms is unconstitutional. Seven states have similar laws, but legal experts say they may not stand much longer.
He killed the Pennsylvania governor's wife's cat — or so the story went. As it turns out, the Labrador was sentenced to the grim corridors of Eastern State Penitentiary to live up to his name.
Law enforcement officials discussed a recent increase in shootings in several major cities at a meeting in Washington, D.C., on Monday. NPR's Audie Cornish talks to Atlanta Police Chief George Turner.
The 18-year-old blasted past the world record in the 1,500 freestyle — the one she set Monday, while hardly trying. Host Melissa Block talks to New York Times reporter Karen Crouse about the swimmer.
Dr. Donald L. Rasmussen worked on behalf of coal miners in Appalachia and helped create a national movement against black lung disease.
NPR's Melissa Block speaks with Mark Ghilarducci with the state emergency services office about the wildfires tearing across California.