Biologists have discovered what may be the largest unexplored ecosystem on earth, and it's all hidden under the Antarctic ice sheet. NPR's Scott Simon talks to the lead scientist, Brent Christner.
In the wake of the protests in Ferguson, law enforcement officials around the country are asking: "How can we lay the groundwork for peaceful collaborations between police and citizens?"
Journalist James Foley was killed this week by the Islamic State. Will airstrikes be enough to hold back the militants? CNN's Peter Bergen talks with NPR's Scott Simon.
Dr. Gabriel Fitzpatrick has been treating Ebola patients in Sierra Leone with Doctors Without Borders. He spoke with NPR's Scott Simon about what the news of two cured Americans means for his efforts.
Nearly 1,500 people have died in the Ebola outbreak, and more nations in the region are closing their borders. NPR's Scott Simon speaks to Africa correspondent Ofeibea Quist-Arcton about the epidemic.
The death of Eric Garner, like the shooting of Michael Brown, sparked protests. But the reaction in New York has been entirely peaceful, thanks partly to quick responses by police and civic officials.
As the situation quiets down in Ferguson, Mo., some political observers are asking why it took President Obama so long to publicly weigh in on events there.
Food shortages are emerging in the wake of West Africa's Ebola epidemic. Market shelves are bare and fields are neglected because traders can't move and social gatherings are discouraged.
As attitudes toward homosexuality shift in the U.S., many gay men say that's created not just more legal freedoms but also greater freedom to express their gender identities.
The death of Brazil's Socialist Party presidential candidate created an opportunity for his running mate, Marina Silva. Her entry into the race has upended the situation. Whereas the man she replaced was running a distant third in polls, support for Silva has surged.