For new tech systems, a return to competitive prototyping
Big budgets keep "fringe" projects alive
The Pentagon tries to know the unknown
Outsourcing and defense fear of "foreign influence"
Will a planned defense shield defeat real missiles?
The spread of nuclear weapons and ballistic missiles raises fears of atomic attacks on the global satellite system
Revamping U.S. medical research means unifying data
The threat of agricultural terrorism spurs calls for more vigilance
Can knockout gases really be nonlethal?
Will "sound science" weaken the endangered species act?
Universities worry about the strain on academic freedom in the face of classified research
Should nuclear warheads be used in missile defense?
Venture capitalism becomes a new mission for the nation's spymasters
The Pentagon and industry plan for software-based transceivers that combine voice, video and data
To guard against terrorism, the Pentagon looks to image-recognition technology
Unmanned aerial vehicles prove their potential over Kosovo
The U.S. military tries to prepare for urban warfare
Missile defense remains a shaky proposition, $50 billion later
Critics charge that the Pentagon's antisatellite laser test could set a dangerous precedent