NASA is testing the X-59, an experimental plane that was designed to exceed the speed of sound without a loud sonic boom.

Regular supersonic flight in the United States may be closer than ever as NASA’s X-59 experimental aircraft achieved supersonic speed Friday. The agency, in a blog post, said the achievement is a ...

The United States banned supersonic flights over its land in 1973 due to their ear-splitting sonic booms. Experts are ...

The X-59, the centerpiece of NASA's Quesst ("Quiet Supersonic Technology") program, is designed to generate mild thumps ...

After months of test flights, NASA’s X-59 aircraft is gearing up for its biggest challenge yet: breaking the sound barrier ...

For several months, the X-59 has been taking part in a series of tests known as envelope expansion.

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 ...