The window of opportunity to prevent North Korea from developing nuclear-armed ballistic missile systems is closing and Washington should explore every serious diplomatic overture from Pyongyang.
The West and Russia need to build on existing arms control measures to avoid exacerbation of the increasingly tense relationship between them, according to a group of international security experts.
The six-year nuclear security summit process produced significant advances in preventing nuclear theft and sabotage. Countries must ensure that progress does not stall now that the summits have ended.
A growing number of non-nuclear-weapon states are expressing support for the immediate commencement of negotiations on a legally binding agreement to prohibit nuclear weapons.
Barack Obama became the first serving U.S. president to visit Hiroshima, where he honored the innocent victims of wars and the 1945 atomic bombings and called for renewed energy to eliminate the nuclear threat.
Washington agreed to purchase heavy water from Iran in April, but an Iranian official said in May that the export of the water was delayed...
Today the White House announced that on May 27 President Barack Obama will become the first serving U.S. president to visit Hiroshima and its Peace Memorial Park, which honors the victims of the world’s first atomic bombings seventy years ago.
A key nuclear security treaty achieved enough support to enter into force, President Barack Obama announced at the fourth nuclear security summit.
National leaders last month endorsed action plans for five key institutions and initiatives to carry on parts of the nuclear security summit agenda.
During a visit to Hiroshima last month, John Kerry became the first sitting U.S. secretary of state to visit the site of the atomic bombing in the Japanese city.