COLORADO SPRINGS—Lockheed Martin and NASA are poised to fire up the engine powering the X-59 low-boom demonstrator for the first time. The start of powered runs of the X-59’s single GE Aerospace F414 ...

Like it or not, the combustion engines that have driven our world forward and sideways for more than a century now are about to leave the scene. Not because they're no longer effective, but because ...

Solar panels do a remarkable job during the day; however, the hours when people need the most electricity rarely coincide with the hours when sunlight is strongest. That mismatch has always created a ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...