Boeing teams with FedEx Express on new ecoDemonstrator aircraft
Could owl wings hold the key to quieter aircraft and wind turbines?
Battery-free phone harvests ambient energy to make calls
NASA's first asteroid deflection mission moves to design phase
Rising tide: Submarines and the future of undersea warfare
Recycled Dragon splashes down after historic return mission
Flight plan from legendary Apollo 13 mission to be auctioned
Gecko-inspired robot grippers to grab up space debris