In a surprise victory for President Obama's campaign to secure nuclear material worldwide, the government of Belarus announced Wednesday that it will give up its stock of highly enriched uranium, a critical component of nuclear weapons.

• December 2, 2010

U.S. Secretary of State Hillary Rodham Clinton called on a European security organization Wednesday to play a bigger role in helping stabilize Afghanistan and to do more to strengthen the voice of human rights groups worldwide.

• December 1, 2010

US and UK diplomats warn of terrorists getting hold of fissile material and of Pakistan-India nuclear exchange

• December 1, 2010

Secretive North Korea boasted advances in its nuclear program on Tuesday, making sure it held the world’s attention, saying it had thousands of working centrifuges, as pressure built on China to rein in its ally.

• December 1, 2010

Nuclear-armed North Korea boasted today it has "many thousands of centrifuges'' running at a new uranium enrichment plant, which has raised fears the regime wants to make more fuel for atom bombs.

• November 30, 2010

The U.S. believes Russia has moved short-range tactical nuclear warheads to facilities near North Atlantic Treaty Organization allies as recently as this spring, U.S. officials say, adding to questions in Congress about Russian compliance with long-standing pledges ahead of a possible vote on a new arms-control treaty.

• November 30, 2010

In late May 2009, Israel’s defense minister, Ehud Barak, used a visit from a Congressional delegation to send a pointed message to the new American president.

• November 29, 2010

Russian President Dmitry Medvedev made no firm proposal to NATO about uniting their missile defence systems, a Russian ambassador said Friday after a report that the suggestion was rebuffed.

• November 27, 2010