The National Park Service is racing to record soundscapes of each park that capture nature for the ear. "If we start to lose sounds of wilderness, we start to lose a piece of us," one scientist says.
The state legalized marijuana at the start of 2014 for anyone 21 or older. An increasing rate of Latino and black youths were arrested for violating that age limit, even as the white arrest rate fell.
Scientists are making impressive progress in creating a vaccine for Zika. And they're using a new technology that makes vaccine development faster than ever.
Last week's Brexit vote sent financial markets tumbling. It also raised questions about the future of the U.K. economy. Analysts now expect slower growth but not an immediate tumble into recession.
Britain is being described as the first country to leave the European Union. That may be true on a technicality, but others left the pan-European body in the past.
Several videos have emerged that show security-camera footage of the attack. In one, dozens of people flee just before a fiery blast hits the check-in area.
Two-thirds of the sum will be set aside to compensate U.S. owners of nearly 500,000 VW diesel cars. The company will also pay $2.7 billion into an environmental remediation fund.
Republicans on the House special committee investigating the 2012 Benghazi, Libya, attacks release the results of their two-year-long investigation on Tuesday.
Divers exploring the famous Antikythera shipwreck, 200 feet beneath the water's surface in Greece, have turned up a heavy object they think might have been a powerful weapon in the first century B.C.
"I think that the best way to think about this is a pause button has been pressed on the project of full European integration," President Obama told NPR's Steve Inskeep.