In 2014, a U.S. Navy F-18 jet flying over the Pacific Ocean about 35 miles southwest of San Diego went supersonic. ... it's not visual evidence that the plane is breaking the sound barrier, ...

The general thinking among the human race is that we get smarter, over time. But this chart, from a new Government Accountability Office report into the Air Force’s F-22 program, suggests ...

Credit: Dawn Aerospace/Cover Images A rocket-powered aircraft has broken the sound barrier for the first time since Concorde, following a successful test flight in New Zealand. Dawn Aerospace’s ...

At sea level with a temperature of 15°C (59°F), the speed of sound is around 760 miles per hour. Yet, this can fluctuate significantly, with the speed of sound slowing down the higher up you go ...

NASA's F/A-18 and F-15 jets are commonly used as chase planes, but are sometimes used for research. Before NASA's new X-59 supersonic jet can break the sound barrier, scientists had to record ...