NASA just flew a jet at 925 mph without sonic boom noise: Breakthrough could cut travel time by half

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

NASA tests low-volume supersonic jet that could slash air travel time

NASA and Lockheed Martin debuted their first test run of a low-volume supersonic jet that’s expected to allow air passengers ...

Scientists Think Time Travel Is Possible—If We Could Move at Warp Speed

Philosophical-sounding edge cases help scientists refine their models and explore how and where their theories may fail.