Hillary Clinton and Donald Trump could take major steps toward becoming their parties nominees with big days in the pivotal primaries in the Northeast.
Days after the first bus bombing in Jerusalem in years, Israel is investigating whether the young Palestinian man who carried the bomb on the bus acted on his own or as part of an organized effort.
In a referendum this summer, UK will decide whether to stay in the European Union. NPR's Scott Simon talks with Nigel and Ian Baxter of Nottingham, two brothers with opposing views on the matter.
A film crew was searching for the Queensland grouper fish off a remote island north of Australia when a stranded man flagged them down. He'd been stranded for two days after his own boat floated off.
Two years after Boko Haram grabbed hundreds of schoolgirls in Nigeria, UN Ambassador Samantha Power met with some who escaped, and promised to ramp up the fight against the Islamist militant group.
A new scandal has hit competitive cycling. A French TV network says it has evidence that racers may be using hidden motors. NPR's Scott Simon talks with Derek Bouchard-Hall about the controversy.
Scott Simon talks with entomologist Jessica Purcell about her research into the ingenious strategy one kind of European ant uses to stay safe in floods: joining their bodies to form floating rafts.