In a world with total or near-total battlefield transparency, speed is far more important than stealth—and unmanned systems ...

DARPA reveals design of its space plane for faster, cheaper satellite launches DARPA just took the wraps off the near future of low Earth orbit space travel.

Marine scientists have long marveled at how animals like fish and seals swim so efficiently despite having different shapes.

The Boeing YF-118G was a top-secret, single-seat stealth technology demonstrator developed in the 1990s and nicknamed the ...

Is any missile effectively “impossible to intercept,” or is that merely the newest myth in contemporary warfare? As Russia ...

The X-plane demonstrator builds on Bell’s experience with tiltrotor aircraft, but with a new stop/fold rotor feature that ...

If you've been hoping for a long-range, low-cost, heavy-lift seaplane using Wing-In-Ground effect (WIG), you'll have to be ...

Liberty Lifter was intended to design and build a seaplane with the cargo capacity of a C-17 Globemaster, that could take off ...

Bell will design and build a high-speed VTOL demonstrator for DARPA’s SPRINT program, as Aurora exits the competition.

The Pentagon’s Defense Advanced Research Projects Agency (DARPA) has selected Bell Textron to build an X-plane demonstrator capable of flying at speeds of up to 450 knots, with the office […] ...

The US Defense Advanced Research Projects Agency (DARPA) has selected Bell Helicopters to build the Speed and Runway Independent Technologies (SPRINT) unmanned ...