The world of experimental aircraft has always been a fascinating one. These things don't come along very often, and when they do, and because they are meant from the get-go to test new flight ...

The X-29, however, was built. Two Grumman X-29s were built. NASA and the USAF jointly flew the experimental forward-swept wing aircraft, which made its first flight in 1984. The use of carbon ...

Hong Kong CNN — A Chinese “reusable experimental spacecraft” believed to be the country’s secretive space plane has landed back on Earth after more than eight months in orbit – the ...

Newly-released U.S. Air Force documents reveal plans for a series of experimental flight tests (EFT) to assess potential upgrades to the Northrop Grumman LGM-35 Sentinel intercontinental ballistic ...