Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

Plus: Zohran Mamdani wins a New York City primary for mayor, shaking up mainstream Democratic politics. This and more stories on The Excerpt.

The Concorde suffered a fatal crash in July 2000, which spurred the end of the supersonic jet program. What's next for mach speed flight?

The first dreams of supersonic air travel were crushed by annoyed Oklahoma City residents in the 1960s. Decades later, it could now be viable.

Boom Supersonic CEO Blake Scholl wants to bring back flights that break the sound barrier. Now he just needs to figure out whether airlines and travelers will buy in.

President Donald Trump has signed three executive orders dealing with drone regulations and encouraging the development of flying cars and supersonic flights. The orders will help clear the way ...

Boom Supersonic broke the sound barrier in late January with its XB-1 test jet, paving the way forward in the startup's efforts to build its own supersonic airliner.

NASA/Boom Supersonic NASA has captured an image of a supersonic civilian jet breaking the sound barrier during a test flight over the Mojave Desert in California in February.

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 ...

An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.

NASA has released a new image showing the moment Boom Supersonic's XB-1 jet broke the sound barrier without producing an audible sonic boom.