Ashton Carter, on a surprise visit to Afghanistan, said he was there to assess the situation on the ground and indicated that a "rethinking" of the U.S. troop withdrawal timetable was possible.
The self-styled Islamic State has made a practice of public beheadings and other horrific acts of violence. It's taking a huge toll on Iraqis, only a fraction of whom are getting the help they need.
Renee Montagne looks back at the best of New York Fashion Week with Deborah Needleman, editor-in-chief of T: The New York Times Style Magazine, and looks forward to what will hit the European runways.
The shooting death of Argentine prosecutor Alberto Nisman has all the hallmarks of a Hollywood thriller. It has provided rich material for the conspiracy-minded in Argentina.
The cease-fire that was supposed to halt fighting between Russian separatists and the Ukrainian government has not taken hold. NPR's Scott Simon talks to former NATO Ambassador Ivo Daalder.
The latest round of nuclear talks regarding Iran have begun in Geneva. The U.S. and Iran are trying to iron out their differences ahead of a March 31 deadline for a framework on a potential deal.
Actress Diane Guerrero now stars on shows Jane the Virgin and Orange Is the New Black. But when she was a teenager, her parents were deported. She tells NPR's Michel Martin how it shaped her life.
Audie Cornish speaks with counterterrorism expert Peter Neumann, who attended the White House extremism summit, on the paths to radicalization in Europe.