Watch the astonishing true story of Flight 90, the plane that accidentally soared beyond Earth’s atmosphere and into space. What started as a routine flight turned into an unprecedented event ...

On February 10, in the skies above the Mojave Desert, the Boom Supersonic XB-1 test jet roared past Mach 1, tearing through the sound barrier. But this time, there was no need to take it on faith ...

The speed of sound is known as Mach 1 (767 mph), and when an object moves beyond this, it's called "breaking the sound barrier." This is also known as supersonic flight, a scientific term ...

Not just because passenger planes capable of breaking the sound barrier are in development — for the first time ever, they could be allowed to do it over American soil.

Boom Supersonic’s X-B1 Plane Breaks Sound Barrier, Bringing Supersonic Travel Closer to Reality The aerospace company put its technology to the test today, breaking the sound barrier and ...

Tech Today in TIME Tech History: TV Irks Bartenders, Breaking the Sound Barrier, Space Commuting and More 15 minute read By TIME Staff December 15, 2012 5:45 AM EST ...