In an interview with NPR, Ernest Moniz says the deal has expanded the time it would take Iran to make a bomb significantly — from two months to a year.
Investigators in France say new evidence supports the view that the Germanwings flight which crashed in the French Alps last month was deliberately flown into the ground.
Egypt lost thousands of troops in Yemen in the 1960s, but now it is taking a prominent role in the new Saudi-led coalition there — even offering up ground troops again. But some in Egypt worry it's going too far.
The unexpected detail of the preliminary nuclear deal announced Thursday is rippling through the political world. Now negotiators must sell the deal to skeptics in Congress, Israel and the Arab world.
NPR's Melissa Block talks with Gary Samore, executive director for research at the Belfer Center for Science and International Affairs at Harvard's Kennedy School of Government.
In Iraq and Afghanistan, Army medics got really good at treating wounded troops. Scientists want to adapt these new technologies and tricks to help injured people in poor countries.
From free, universal care to for-profit hospitals, China has tried out radically different health care systems in the past 60 years. So what works — and doesn't work — for 1.3 billion people?
The man sometimes described as China's most powerful ruler since Mao Zedong now has an app that lets you read about Xi's love of soccer and learn all about his "Four Comprehensives."
Weather permitting, a "blood moon" eclipse — the penultimate in a four-eclipse cycle — can be seen in its totality by those living on the U.S West Coast.
France's aviation safety agency says co-pilot Andreas Lubitz "changed the automatic pilot settings to increase the speed of the airplane in its descent" before last week's deadly crash.