Barack Obama, Nuclear Disarmament | featured news

U.S. President Barack Obama said on Friday he has determined there is enough oil in the world market to allow countries to cut imports from Iran, allowing Washington to begin sanctioning countries that continue to buy Iranian oil.

President Barack Obama on Monday emphasized his vision for a nuclear-free world and warned that North Korea and Iran should shun nuclear weapons or face tough action from the international community.

President Obama will join the leaders of more than 50 countries in Seoul, South Korea, next week for a nuclear security summit.

President Barack Obama appealed to Benjamin Netanyahu on Monday to give sanctions time to curb Iran's nuclear ambitions, but the Israeli prime minister offered no sign of backing away from possible military action, saying his country must be the "master of its fate."

President Barack Obama says he isn't bluffing when he says Iran shouldn't have a nuclear weapon, but he cautions against a premature Israeli strike against the Islamic republic.

The Obama administration has told U.S. lawmakers that a nuclear cooperation deal with Vietnam is unlikely to include a coveted promise by the Hanoi government not to enrich uranium, congressional aides say.

President Barack Obama on Thursday signed into law far-reaching new sanctions on Iran that aim to squeeze the Islamic Republic's fuel imports and deepen its international isolation.

The Obama administration unveiled a new policy Tuesday restricting U.S. use of nuclear weapons but sent a stern message to nuclear-defiant Iran and North Korea that they remain potential targets.

President Obama and French President Nicolas Sarkozy on Tuesday pledged mutual support for tougher U.N.

President Obama's envoy on North Korea said Thursday that officials in Pyongyang agreed on the need to resume nuclear disarmament ...