As more states legalize pot for medical and recreational use, law enforcement and health officials want to deter driving under the influence. But the task isn't as clear cut as it is with alcohol.
Samuel Sheinbein fled to Israel after murdering a Maryland teen. He claimed Israeli citizenship but was later convicted and had been serving a long prison term near Tel Aviv.
Sgt. Bowe Bergdahl has been held by the Taliban since his capture nearly five years ago. He is thought to be somewhere in Pakistan.
Two men broke a record for traveling from the coast of Antarctica to the South Pole and back, on foot. They retraced the steps of a British Royal Navy officer, whose team died on the journey in 1912.
The ousted Egyptian leader is accused of being part of a wide conspiracy to destabilize Egypt involving, among other things, passing state secrets to Tehran.
Jason Munkel introduced his father to the game a year ago, and their channel on the streaming site Twitch has grown dramatically. Twitch has also grown, and with millions watching games every month.
After 17 days of the world's highest-level competition in winter sports, Sochi puts on one last extravaganza to mark the end of the 2014 Winter Olympics.
Reform advocates hope the deal to limit solitary confinement becomes a model for prisons throughout the country.
The explosion, in one of the capital's busiest shopping districts, appeared to be aimed at anti-government protesters seeking the ouster of the country's prime minister.
Russia racks up 33 medals, with 13 gold, 11 silver and 9 bronze. Team USA will finish with 28 medals, 9 gold, 7 silver and 12 bronze.
One of the world's most powerful drug lords has been captured. Mexican authorities say Joaquin "El Chapo" Guzman was taken into custody after a months-long investigation.
Zimbabwe's president, Robert Mugabe, is 90 years old. In power since 1980, Mugabe is considered a despot in the West. NPR's Rachel Martin discusses his legacy with reporter Ofeibea Quist-Arcton.
The UN Security Council unanimously adopted a resolution Saturday to boost humanitarian aid access in Syria. More than 9 million people need help, according to the U.N.
With Kiev now almost empty of its political leaders, NPR's Rachel Martin speaks with Geoffrey Pyatt, the U.S. ambassador to the Ukraine.
Ukraine's Parliament pushed President Viktor Yanukovich out of office as his political nemesis was released from prison. Reporter Soraya Sarhadi Nelson gives NPR's Rachel Martin the latest.
Maria Von Trapp, the last of the seven-member Trapp Family Singers that inspired the play and film, died on Tuesday at her home in Vermont.
Supporters of the Ukrainian president's arch rival are moving quickly to take government power; gawking protesters find opulence in the president's abandoned residence.
Improving the lives of the poor can take many forms. One group of senior citizens in New York City meets regularly to stretch their legs and in the process reinvigorate their community.
Brazilian cities are rationing water; farmers are facing dying crops. Scientists say the situation will only worsen — and that the government is ignoring warnings and failing to help those in need.
President Nicolas Maduro was elected less than a year ago, but he's already facing protests from restive students and others angry over high inflation and shortages of many goods.