Ahead of the anniversary of one of its worst anti-dissident atrocities, China has blocked national access to Tumblr, ...

The Pentagon is building another space plane. It already has one, the Air Force's secretive X-37B, but DARPA, the ...

How exactly does an aircraft with a 170-foot wingspan look like a bird on radar?

SpaceX and Boeing are competing to become the first private company to shuttle astronauts to the International Space ...

Humans have only flown for a few centuries. Balloons, the earliest human fliers, were not what anyone would call ...

Uber for private jets couldn't get off the ground, even after several attempts. The Jay-Z and Ashton Kutcher backed ...