The X-59 is designed to transform the sonic boom associated with supersonic flight into a “sonic thump”—making it feasible to fly over populated areas.

Boom Supersonic might have snatched aviation's holy grail after announcing on Monday that its XB-1 test plane had completed its maiden supersonic flight two weeks ago without producing a sonic boom ...

Boom Supersonic's XB-1 demonstrator successfully achieved "Boomless Cruise," flying at supersonic speeds without an audible sonic boom reaching the ground, validating a long-sought physics concept ...

Boom Supersonic announced last week that its XB-1 test plane broke the sound barrier without an audible boom on the ground.

Imagine leaving work in L.A. or San Francisco a little early on a Friday afternoon and winding up with a drink on the beach in Maui before cocktail hour is over. Imagine Seattle to Tokyo in four hours ...