Scientists are close to creating a nuclear clock—an ultra-accurate clock that uses a low-energy transition in the nucleus of a thorium-229 atom to keep time. Electrical interference makes atomic ...

A research team at the University of Missouri has treated the first cancer patient with a new nuclear medicine device that targets tumors inside the liver. The early-stage clinical trial focuses on ...

WASHINGTON, DC – At the height of the Cold War in 1965, as China raced ahead with its nuclear weapons program, an extraordinary covert operation unfolded high in the Indian Himalayas. The United ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. When the U.S. government interdicts significant special nuclear or radioactive ...