Significant Factual Errors in Testimony on China's Space Program (June 3, 2008)

Missile Defense Space Test Bed Fact Sheet (May 22, 2008)

The Cart before the Horse: DOE's Plan for the Future of the U.S. Nuclear Weapons Complex (May 5, 2008)

Prominent Scientists Call for Presidential Leadership on U.S. Nuclear Weapons Policy (April 17, 2008) 

Analysis of the President's FY2009 Department of Energy (DOE) Nuclear-Related Budget (May 1, 2008)

UCS Satellite Database
A free, searchable, easy-to-use database of more than 850 active satellites with detailed information about each. (Updated April 7, 2008)

Twenty-five Years After Reagan’s Star Wars Speech: Where Are We Now? (March 20, 2008)

Toward True Security:
Ten Steps The Next President Should Take to Transform U.S. Nuclear Weapons Policy
A new report co-written by UCS staff and board members, and other independent experts (February 13, 2008)

Global Security Update (January, 2008)

Nuclear Power in a Warming World: The 74-page report assesses nuclear power's key problems and offers recommendations to strengthen nuclear plant safety, better protect facilities against sabotage and attack, ensure the safe disposal of nuclear waste, and minimize the risk that nuclear power will help more nations and terrorists acquire nuclear weapons. It also evaluates new reactor designs. (December, 2007)

Space Debris, in Brief (December, 2007)

What are Satellites Used for?
(October, 2007)

Sputnik's Anniversary: Looking Forward, GSP staff scientist Laura Grego has written an opinion piece for the October 2007 issue of the journal Physics World. (October, 2007)

Space Debris from Anti-satellite Weapons, GSP co-director and senior scientist David Wright has written a study of space debris that appears in the October issue of the journal Physics Today. (October 2007)

A Big Step Backward on Nuclear Weapons by Lisbeth Gronlund, UCS Catalyst magazine (Spring, 2007)

Factsheet on House Appropriations Defense Spending Bill: Missile Defense Analysis (August 2, 2007)

UCS Press Release: New Nuclear Facility Undermines International Security (August 1, 2007)

Worldwide Nuclear Arsenals Fact Sheet (July 24, 2007)

Nuclear Weapons: How They Work Fact Sheet (July 24, 2007)

Toward a World Free of Nuclear Weapons: UCS Presidents Ad
On July 23, 2007 UCS ran a full-page ad in the Charleston, SC Post & Courier encouraging all presidential candidates to make U.S. nuclear weapons policy a major priority and to embrace and articulate bold steps that will lead toward a world free of nuclear weapons. (July 23, 2007) 

UCS Comments on the Scope of the Global Nuclear Energy Partnership Programmatic Environmental Impact Statement (June 4, 2007)

Congressional Testimony on Space Security Issues by UCS Staff Scientist Laura Grego (May 23, 2007)

Global Security Update (September, 2007)

New Nuclear Weapons: RRW Fact Sheet (May 3, 2007)

Congressional Testimony on New Nuclear Weapons, Dr. Richard Garwin, UCS Board Member (March 29, 2007)

Nuclear Reprocessing Fact Sheet (PDF updated: February, 2007)

Statement by Gregory Kulacki Following China’s ASAT Test (February, 2007)

UCS Satellite Database: a listing of operational satellites currently in orbit around Earth.  The database is updated roughly quarterly.

The Physics of Space Security: A Reference Manual, a UCS-authored report, published in May 2005 by the American Academy of Arts and Sciences (AAAS).

Toward True Security recommends reductions in U.S. nuclear weapons.

Countermeasures offers technical evidence showing that the planned U.S. national missile defense (NMD) system would be defeated by simple responses from new missile states.

International Summer Symposiums for Science and World Affairs are organized by UCS to support the development of young scientists from around the world who work on global security and arms control, helping integrate them into the international community of technical researchers.

Supporting UCS efforts is a cost effective way for citizens to make a lasting impact. Give today.