UNITED STATES - DECEMBER 01: The mushroom cloud produced by the first explosion by the Americans of a hydrogen bomb at Eniwetok Atoll in the South Pacific. Known as Operation Ivy, this test ...

Secretaries Gates and Clinton preview this week's Washington nuclear summit. WASHINGTON, April 11, 2010— -- World leaders from 47 countries are descending on Washington this week for an ...

Oct. XX, 2005— -- The U.S. government's efforts to detect, prevent and respond to nuclear terrorism involve the full spectrum of executive branch agencies, from the intelligence community to ...

SEOUL, South Korea -- Material that can be used to make nuclear bombs is stored in scores of buildings spread across dozens of countries. If even a fraction of it fell into the hands of terrorists, it ...

The crisis in Ukraine underscores the prescience of the international efforts to eliminate all nuclear weapons and weapon-grade material there after the collapse of the Soviet Union. Their success ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

WASHINGTON (Reuters) - Nearly 50 world leaders meet in Washington next week for a summit aimed at preventing nuclear terrorism. It will be one of the largest such gatherings on U.S. soil since World ...

THE HAGUE - World leaders called on Tuesday for countries to minimize their stocks of highly enriched nuclear fuel to help prevent al Qaeda-style militants from obtaining atomic bombs, at the end of a ...

“Working with other nations, we have removed or secured enough nuclear material for more than 150 nuclear weapons, material that will now never fall into the hands of terrorists,” Obama said in his ...

We look at preparations the United States is taking to thwart a nuclear attack. NPR's Ira Flatow talks with Graham Allison, author of Nuclear Terrorism: The Ultimate Preventable Catastrophe. Guest: ...