February 25, 2013 Talks start Tuesday in Kazakhstan. The U.S. and its allies want Iran to give up any ambitions for nuclear weapons. Iran says its nuclear program is for peaceful purposes.
February 12, 2013 Analysts also say North Korea's claim that the device was smaller and lighter than ones it previously tested might be a sign it has moved closer to being able to fit a weapon on to a missile. Leaders around the world are condemning North Korea's actions.
September 23, 2012 A little-known, but longtime nuclear standoff ended this week when U.S. Defense Secretary Leon Panetta lifted a 26-year-old ban that kept New Zealand naval ships from docking at U.S. bases. The ban stems from New Zealand's nuclear-free policy that forbids U.S. nuclear ships into its ports.
May 17, 2012 President Obama has said "all options are on the table." The U.S. ambassador to Israel said this week that military options are ready, if necessary, but that diplomacy is still the preferred solution.
November 7, 2011 The International Atomic Energy Agency believes Iran has "mastered the critical steps needed to build a nuclear weapon," The Washington Post reports. Iran has issued a denial.
May 24, 2011 The International Atomic Energy Agency's findings will put renewed focus on the two nations' nuclear ambitions.