The North American X-15 did more than set records; it quietly redrew the map of what a piloted aircraft could survive at the edge of space. By pushing hypersonic flight to extremes that still stand ...

An important part of data collection for the United States space program, the North American X-15 had astonishing performance utilizing the technology of ...

Summary and Key Points: Before NASA led U.S. space exploration, there was debate over whether the U.S. Air Force or the newly formed NASA should shuttle astronauts to space and in what type of craft. ...

Key Points and Summary - In 1967, USAF Major "Pete" Knight set a world speed record that remains "unbroken" 68 years later. -Flying the X-15A-2 rocket plane (Flight 188), Knight reached an astonishing ...

An aircraft capable of hitting 4,520 mph (nearly seven times the speed of sound) is ludicrous to even think about, but the North American X-15 achieved this, defying comparison to any other aircraft ...

Last month marked the 65th anniversary of the arrival of the X-15 hypersonic spaceplane, which was developed as a joint project among NASA, the United States Air Force, and U.S. Navy. On October 15, ...