More than 130 National Nuclear Security Administration employees have been reportedly paid off after their positions were ...

National security adviser Mike Waltz said on Sunday that all options are “on the table” to prevent Iran from obtaining a ...

Trump has the leverage to demand disarmament, not merely arms control.

Representatives of China, Russia and Iran called Friday for an end to U.S. sanctions on Iran over its rapidly advancing ...

Beijing sought to position itself as a key player in negotiations with Iran over its nuclear program, as President Trump ...

Ministers from Iran, Russia and China meet in Beijing to discuss Tehran's nuclear programme and call for end to U.S.

Senior Chinese and Russian diplomats said dialogue should only resume based on "mutual respect" and all sanctions ought to be ...

China, Iran and Russia called for diplomacy over “pressure and threats” and an end to “all illegal unilateral sanctions” ...

Almost a decade after its historic deal with world powers, Iran is closer than ever to being able to make a nuclear bomb.

A coalition of the world's biggest companies and largest energy users signed a pledge Wednesday in Houston to support a ...

The president’s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues ...