The North American X-15 was a revolutionary rocket-powered aircraft that pushed the boundaries of high-speed flight in the ...

He said the Talon test vehicle advances the capability lost with the retirement of the X-15 by flying autonomously.

Meet the X-15 Rocket Plane As if that one particular superlative weren’t impressive enough, the X-15 helped make history in other ways: before Neil Armstrong became the first man to walk on the ...

The X-15 was a key bridge between conventional atmospheric flight and spaceflight. The North American X-15 is one of the most groundbreaking aircraft ever created in the history of aviation and ...

A new trailer for "Edge of Space," a short film about a daring X-15 pilot flying the rocket-powered experimental plane higher than any other piloted winged vehicle other than the space shuttle.