With ungainly proportions, Beechcraft wings and tail surfaces, and a primitive flight control computer strapped to the nose, the Bell X-14 was a decidedly unconventional X-plane. [Credit: NASA ...

NASA X-Planes probably wouldn't exist at all if it weren't for the Douglas X-3 Stiletto, a craft that began construction all the way back in 1949, making its first flight in 1952.

Military planes sometimes have tail fins that form a V-shape rather than the traditional single fin. Here's why they have them and if it helps them fly.

NASA's new experimental aircraft will go thump in the night – that's the plan, anyway. The X-59, set to be unveiled in Palmdale, California, on Friday, is designed to turn the volume down on ...

Naturally, now the X-66A is the most recent member of this exotic family of aircraft. Although the changes in need to be made may seem rather minor, NASA will spend a lot of money on the project.

If NASA’s bet on its newest X-plane pays off, the long-nosed aircraft could revolutionize commercial aviation. That is, if history doesn’t repeat itself.

Military planes sometimes have tail fins that form a V-shape rather than the traditional single fin. Here's why they have them and if it helps them fly.