Add Yahoo as a preferred source to see more of our stories on Google. The US X-37B and China's Shenlong are unmanned spacecraft that play secretive roles in space. Space-based technology has long ...

Aviation, as humanity has been experiencing for the past 120 years or so, means an aircraft needs engines to take off and fly, wings to keep it in the air, and physical control surfaces (stabilizers, ...

Here’s What You Need to Remember: The latest American X-plane is once again pushing the envelope—and is spearheaded by one of the United States’ more secretive research and development agencies. The..

Aviation Week editors discuss the state of X-planes, how they have historically performed and what challenge the next X-plane program should take on. Don't miss a single episode of the award-winning ...