Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the ...

All 67 people on both aircraft were killed. Here's the latest ... The U.S. conducts some of its most sensitive nuclear ...

Vladimir Putin has launched a new show of strength with his nuclear bombers as Western fighter jets were forced to shadow the huge aircraft as they passed north of Britain. NATO warplanes buzzed ...

Satellite images reveal China is building a massive laser fusion facility, which can be used in nuclear weapons research as ...

The next steps in the fatal midair plane and helicopter crash investigation. And, why nuclear testing could ramp up in the U.S., as well as a look... Investigation into the fatal plane-helicopter ...

All 67 people on both aircraft were killed ... The U.S. conducts some of its most sensitive nuclear weapons research in a laboratory deep beneath Nevada. NPR was recently given a tour.