Lethal radioactive material spent two days on the loose in Mexico, when hijackers stole a truckload of the highly dangerous metal cobalt-60 as it was in transit from a hospital to a secure storage facility.
Shares of Urenco, a pioneering developer of gas centrifuges for uranium enrichment, may soon change hands, but a sale of the company is unlikely to increase the risk of proliferation.
The U.S. government should not require all foreign countries with which it concludes new nuclear cooperation agreements to legally commit themselves not to enrich uranium and reprocess spent fuel.
The story of Pakistan’s nuclear weapons development remains in dispute, with a rich literature of colorful and differing accounts.
So far, the promotion of nuclear security has been conducted mostly through a top-down approach, but it is best achieved through a bottom-up approach by creating nuclear security champions.
The Asia-Pacific region epitomizes the type of proliferation challenges the international community faces.
Different regional actors had different agendas and priorities for the recent Seoul Nuclear Security Summit.
In the pursuit of nuclear security, Taiwan represents a special case for the international community because its legal status as an 'outsider' prevents it from formally participating in the many global arrangements to prevent nuclear proliferation.
The upcoming Seoul summit aims to reach consensus on securing nuclear materials against their use by militants. However, despite some progress in 2010, agreement may be harder to find this time.
While it has been known since early 2004 that the illicit proliferation network headed by A.Q. Khan of Pakistan supplied the nuclear programs of Iran, North Korea, and Libya, certain questions have not yet been resolved.