Boomless Cruise is based on physics known as the Mach cutoff, in which a sonic boom refracts in the atmosphere and never ...

A Colorado-based company said it broke the sound barrier three times without generating a sonic boom that reached the ground.

Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.

The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...

Boom will now shift its attentions toward developing Overture, its supersonic passenger jet.

In January, the aircraft successfully broke the sound barrier for the first time, reaching speeds exceeding Mach 1 at an ...

Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...