A nuclear nonproliferation initiative set by President Obama in 2009 is far behind its goal of securing vulnerable nuclear material by 2013.

Inadequate efforts to prevent proliferation of WMD presents serious security risk

Air Force accidentally flies nuclear weapons over U.S. airspace without required special authorization

In guarding against terrorism, extremists can’t be overlooked

Future arms agreements threaten profitable line of work for defense contracting giants

An expert scientific panel says that signficant, clandestine explosions are just about impossible.

Squabbling in Washington intensifies as a former nuclear force commander urges 80% reduction in the arsenal.

A sizable flow of cash and well-connected lobbyists bolster congressional support for the U.S. nuclear arsenal.

U.S. arms control official predicts 'uphill' fight.

The more things change, the more they stay the same in U.S. planning for nuclear war.