On a clear morning over the Mojave Desert, a small, dart-shaped jet called XB-1 punched through the sound barrier and kept climbing. The aircraft, built by Denver-based startup Boom Technology, became ...

Supersonic airliner startup Boom Technologies has launched an $800,000 prize for the first U.S. amateur team to fly a remotely piloted, air-breathing aircraft above Mach 1 in level flight twice in one ...

For more than 50 years, one obstacle has prevented routine supersonic passenger travel over land: the deafening sonic boom.

Boom Supersonic has launched the "Boom Prize," offering $800,000 ($750k cash + $50k stock) to the first amateur to build and fly a radio-controlled, air-breathing aircraft that repeatedly breaks the ...

Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...