Regina Dugan, the head of the Pentagon's research arm, is going to Google. What her move means in the global race for innovation.
If terrorists get hold of some of Qaddafi's 20,000 shoulder-fired missiles and manage to bring down an airliner in the United States, the economic repercussions would be huge. Antimissile systems exist, but so far US airlines have balked at the expense.
How will research universities reconfigure themselves to the reality of lowered federal funding?
The Pentagon already includes unmanned drone attacks in its arsenal. Next up: housefly-sized surveillance craft, shape-changing 'chemical robots,' and tracking agents sprayed from the sky. What does it mean to have soldiers so far removed from the battlefield?
Scientists compress the oil-forming process with a deep water bacteria to create electrofuel, a possible post oil era alternative.
iPhone 4S dramatically revamps its voice command system. Now 'Siri' can control many aspects of the iPhone 4S, without you needing to touch the new iPhone.
The Pentagon tested its hypersonic Falcon HTV-2 vehicle Thursday, losing contact with the craft as it hurtled over the Pacific Ocean.
Thursday's test flight of the Falcon HTV-2 ended with signals lost and a crash landing into the Pacific – but not before it sent engineers half an hour of flight data. The Pentagon hopes the design will allow a non-nuclear response to threats anywhere in the world, within one hour.