Nuclear Weapon | featured news

Top defense officials say Iran has enough fissile material to build a weapon, but is still far from having one.

The U.S. military is prepared to shoot down a North Korean missile or rocket if President Obama should give the order, the head of the U.S. Pacific Command said Thursday.

North Korea has built an underground fueling facility near a key launch pad, a news report said Thursday, making it harder for spy satellites to detect signs that a missile is being prepared for firing.

A Persian Gulf plant will be tested Wednesday, but without enriched uranium, state media say.

More on IranIran has now built up a stockpile of enough enriched uranium for one nuclear bomb, United Nations officials acknowledged on Thursday.

In a development that comes as the Obama administration is drawing up its policy on negotiations with Tehran over its nuclear programme, UN officials said Iran had produced more nuclear material than previously thought.

Secretary of State Hillary Clinton made her strongest comments yet about North Korea Tuesday during her tour of Asia.

U.S. Secretary of State Hillary Clinton on Friday offered North Korea a peace treaty, normal ties and aid if it eliminates its nuclear arms program and stressed her desire to work more cooperatively with China.

India Saturday said the international community should consider declaring Pakistan a terrorist state in light of the latter's release of the scientist who sold nuclear scientists around the globe.

A Pakistan court declared disgraced nuclear scientist Abdul Qadeer Khan a "free citizen" Friday after years of de facto house arrest because of his alleged role in leaking atomic weapons technology.

The Obama administration is imposing sanctions on several Chinese, Iranian and North Korean companies for violating arms export regulations governing missile technology and other proliferation activities.