8-disc abridged CD audiobook of the 2009 New York Times bestseller by Amy Goodman.

Baumgartner, known as “Fearless Felix,” stunned the world in 2012 when he became the first human to break the sound barrier ... Flying Bulls as a helicopter stunt pilot in shows across Europe.

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Why It Matters Before Tuesday, no civil private manufacturer had passed the sound ...

Boom Supersonic achieved Tuesday its goal of breaking the sound barrier on its first attempt with the XB-1 prototype of its Overture aircraft — and then repeated the feat two more times.

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 ...

A civilian jet broke the sound barrier for the first time Tuesday while making a historic test flight over the Mojave Desert. The XB-1 aircraft, manufactured by Boom Supersonic, was piloted by ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde after acing its 11th test and reaching 0.95 Mach at low altitudes.

Boom Supersonic and NASA just dropped an incredible photo of the XB-1 breaking the sound barrier over the Mojave Desert. Using Schlieren photography, they captured air distortions that are usually ...