The future of high speed travel did not arrive with a deafening crack over the ocean, but with a controlled, almost modest flight over the California desert. A slender experimental jet, built not to ...

NASA's X-59 supersonic jet ended its second test just nine minutes into flight, ending the one-hour event almost as soon as it began because of a system warning. Credit: NASA / Jim Ross Nothing seemed ...

A supersonic jet plane designed to make very little noise took flight for the first time this week, cruising over the southern California desert just after sunrise in what could be the first step ...