NASA's quiet supersonic X-59 aircraft has fired up its engines for the first time during a series of engine tests launched last week. Tests were also run for the first time without an external power ...

"This test confirmed that all components — software, mechanical linkages, and control laws — work together as intended." When you purchase through links on our site, we may earn an affiliate ...

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 ...