Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is …

Feb 5, 2025 · Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the first piloted non-military …

Oct 30, 2025 · The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly customers more than twice as fast as …

Jul 20, 2025 · After more than two decades of silence in the skies following the retirement of Concorde, supersonic passenger flight is probably staging a comeback. Leading this new …

Oct 28, 2025 · NASA's X-59 "quiet" supersonic jet took off on its first-ever flight on Oct. 28, flying from Palmdale, California to its new home at Edwards Air Force Base.

Oct 29, 2025 · NASA ’s X-59 supersonic jet completed its first test flight on Tuesday morning, bringing ultra-fast commercial air travel one step closer to reality. Built by aerospace contractor …

Sep 16, 2025 · NASA is working with its partners to enable new choices for high-speed air travel, starting with commercial supersonic flight over land through the Quesst mission and the …

Oct 30, 2025 · NASA and Lockheed Martin's X-59 supersonic jet performed its first test flight in California.

Supersonic flight, passage through the air at speed greater than the local velocity of sound. The speed of sound (Mach 1) varies with atmospheric pressure and temperature: in air at a …

Most supersonic aircraft, including many military fighter aircraft, are designed to spend most of their flight at subsonic speeds, and only to exceed the speed of sound for short periods such …