Summary and Key Points: On October 3, 1967, test pilot William “Pete” Knight flew the rocket-powered X-15 to Mach 6.7 — about 4,520 mph — a speed no crewed aircraft has matched in nearly 60 years.

TUCSON, Ariz. (KGUN) — Right now, visitors at the Pima Air & Space Museum can get up close and personal with a museum display unlike any other in the country. A copy of a hyper-sonic machine is now ...

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. ...

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 space ...

An important part of data collection for the United States space program, the North American X-15 had astonishing performance utilizing the technology of the 1950s and 60s. The North American X-15 was ...

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 ...

Joe Engle’s Remarkable Career Bridged Gap Between Air and Space, Broke Records. Astronaut, X-15 test pilot and space shuttle pilot Joe Engle has died at home in Houston, Texas. He was 91. Engle passed ...

Soar to the threshold of space in NASA's experimental rocket plane with this exclusive interview and clip. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...