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 ...

(NewsNation) — The Department of Defense announced Monday the United States successfully completed two test flights of a reusable hypersonic aircraft, marking a significant step in the development of ...

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 the 1950s and 60s. The North American X-15 was ...

This bold project from director Jean de Meuron is attracting high-wattage Hollywood attention. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space. The Neil Armstrong biopic, First Man, starring Ryan Gosling as ...