Nov. 6 (UPI) --NASA engineers fired the engines on the X-59 research aircraft in advance of planned test flights to determine if the aircraft can reduce sonic booms and make supersonic flight over ...

But a date has still yet to be set for the X-59's first flight. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Boom’s new engine-testing facility at the Colorado Air and Space Port was previously occupied by Reaction Engines, a British developer of hypersonic propulsion ...