NASA's experimental X-59 aircraft has successfully completed its first flight, demonstrating the ability to break the sound ...

NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— ...

Humankind was once determined to break the sound barrier, as it was considered the ultimate achievement in speed. But our technology didn't stop there, as we've built experimental vehicles that can ...

NASA test pilot Nils Larson flew the X-59 supersonic jet on its inaugural flight over California's Mojave Desert, validating ...

Ultra-wealthy buyers looking for a private jet have a huge range of options to choose from. At one end of the market, the smallest private jets hold only a handful of passengers. Meanwhile, at the ...

MOJAVE, Calif. – The U.S., Russia and China are in the middle of a hypersonic arms race — and right now, the U.S. is losing. But private companies are stepping up to develop hypersonic tech that ...

Extreme athlete Felix Baumgartner, the first skydiver to fall faster than the speed of sound during a 24-mile leap through the stratosphere more than a decade ago, died in a crash Thursday along the ...