The fastest air-breathing vehicle ever built was the NASA X-43. Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft measured 12 ...

NASA’s X-59 quiet supersonic aircraft conducted its historic first-ever flight. See the flight highlights here. Credit: NASA Church of Jesus Christ of Latter-Day Saints appoints 14 men to council, ...

Breakfast in New York, midmorning snack in London. Taxi tests are underway on a highly anticipated supersonic plane designed to quietly break the sound barrier — and slash flight time between New York ...

The latest generation of experimental aircraft is no longer chasing raw speed alone, it is trying to change how the air ...

July 22 (UPI) --NASA's quest for a quieter supersonic jet passed an early test after its X-59 aircraft was able to taxi at low speed at a manufacturing plant in California. The space agency on Tuesday ...

NASA has revealed more detail about the recent first flight of its X-59 Quesst supersonic demonstrator jet, a milestone the agency describes as demonstrating its continued ability to manage ...

It's been a long time coming, but the first flight of the X-59 experimental aircraft, made by NASA and Lockheed Martin Skunk Works as a means to prove that quiet supersonic flight is possible, is more ...

For decades, flying faster than the speed of sound has meant speeding across the skies in an aircraft that creates a powerful sonic boom -- a huge noise that travels down to the ground below like a ...