California has played a central role in NASA's push to test its X-59 jet and usher in an era of commercial supersonic air ...

NASA's Quesst mission looks to develop a supersonic aircraft that could one day transform commercial air travel in the United ...

Long before astronauts reached orbit, American engineers faced a dangerous unknown at the edge of the sound barrier. Aircraft ...

The United States banned supersonic flights over its land in 1973 due to their ear-splitting sonic booms. Experts are building a plane that should travel at those speeds but create only gentle thumps ...

NASA's X-59 jet is on the verge of finally breaking the sound barrier as the agency looks forward to the aircraft's first supersonic flight this month.

A plane built by Nasa has broken the sound barrier without producing a sonic boom, bringing civilian supersonic flights a ...

NASA’s X-59 is quietly reaching significant milestones. The X-59 went supersonic for the first time on June 5, reaching a top speed of approximately Mach 1.1 (713 mph) and an altitude of 43,400 feet ...

The FAA's proposal to lift the decades-old ban on supersonic flights over land could revive civilian faster-than-sound travel ...

NASA’S “Son of Concorde” jet that could fly from the UK to New York in four hours has smashed through the sound barrier ...

The X-1’s fuselage was designed to resemble a .50 caliber bullet—one of the only shapes known to have stable flight at supersonic speeds. The Bell X-1 hangs today from the ceiling of the National Air ...