Nuclear Weapons Resources

A 2011 UCS analysis refutes claims that China is modernizing its nuclear arsenal to achieve parity with the U.S. and Russia.

MOX fuel, short for mixed-oxide fuel, is a mixture of uranium and plutonium oxide. It carries risks.

A 2010 paper by UCS analyst Gregory Kulacki describing the historical and political context for discussions between the U.S. and China on cooperative space ventures.

Reprocessing increases the total volume of radioactive waste.

Recent trends and events make clear that the space environment needs more protection, that satellites face growing risks, and that space activities may be a potential source of mistrust and tension

The Fiscal Year 2011 budget request for nuclear weapons and nonproliferation includes major increases in funding for new facilities, for warhead maintenance, and for nonproliferation programs.

In 2009, UCS took part in an independent effort to examine and suggest ideas to support a diplomatic approach aimed at engaging North Korea and ending its nuclear and missile programs.

The New START treaty streamlines the verification measures from START I without sacrificing any essential information, while adding the most intrusive verification system ever implemented for counting nuclear warheads.

In the interest of safeguarding U.S. national security and reducing the nuclear threat, the Senate should ratify the Comprehensive Test Ban Treaty (CTBT).

AAAS paper looking at the history of the Chinese space program.

This document summarizes key differences in the House and Senate FY2009 appropriations committee bills for the Department of Energy's (DOE) nuclear weapons programs.