Get nervous when you hear those pinging sounds on a plane? These are nothing to worry about, but some do have "a little bit of an impact" on passengers, according to Kyle Koukol, a 29-year-old airline ...
NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— ...
Lockheed Martin's revolutionary X-59 supersonic jet completes first test flight, designed to break sound barrier with quiet 'thump' instead of sonic boom.