A new U.S.-Russia nuclear-arms-control treaty went into effect Saturday, securing a key foreign-policy goal of President Obama and raising hopes among officials on both sides that it will provide the impetus for Moscow and Washington to negotiate further reductions.

• February 7, 2011

The Russian foreign ministry said in a statement that North Korea's reported enrichment capacities would violate existing Security Council resolutions and require further international inquiry.

• February 5, 2011

President Barack Obama signed ratification documents for America's new nuclear arms reduction treaty with Russia on Wednesday, clearing the way for the two powers to put the landmark accord into effect.

• February 3, 2011

Pakistan Tuesday dismissed a New York Times report that Pakistan has steadily "expanded its nuclear arsenal" since President Obama came to office.

• February 2, 2011

On January 24th through January 26th, 2011, Gorshenin Institute has conducted a phone survey "Explosions in Makeyevka". A total of 1000 respondents age 18 or older representing all 25 regional centers, Kiev and Sebastopol, were selected at random following a systematic procedure aimed at filling sex, age and community quotas. The margin of error is no higher then +/-3.2%. Results of the survey conducted among the residents of Makeyevka are presented separately. READ MORE

• February 2, 2011

The White House says it is troubled by reports that dozens of people detained during demonstrations in Moscow and other Russian cities have been mistreated, including accusations that some were beaten by police.

• February 1, 2011

Pakistan's nuclear arsenal now totals more than 100 deployed weapons, a doubling of its stockpile over the past several years in one of the world's most unstable regions, according to estimates by nongovernment analysts

• January 31, 2011

Global powers seeking to ensure Iran does not develop nuclear weapons are still hoping for a response from Tehran to a fuel swap proposal seen as a step towards ending the persistent standoff, Russia said

• January 28, 2011