International databases to share information about nuclear and radioactive materials are urgently needed to help deter potential nuclear threats, according to a team of scientific and policy experts.
An evolving U.S. national policy aims to create a system of nuclear forensics, in which scientific analysis could quickly identify the source of a nuclear attack or attempted attack.
The Pentagon has formed a team of nuclear experts to analyze the fallout from a terrorist nuclear attack on American soil in an effort to identify the attackers, officials have said.