Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed supersonic jet. The company is also working on a supersonic passenger airliner.

Will Boom bring boom time back to supersonic travel? 'New Concorde' prompts revival talk - The aircraft developed by Boom Supersonic is the first independently funded jet to break the sound barrier

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave.

Boom Supersonic CEO Blake Scholl said the Mach 1.7 Overture will keep the US aviation industry ahead of China in the commercial market.

Boom's XB-1 jet breaks the sound barrier, bringing supersonic passenger travel closer to reality. Find out more about this groundbreaking achievement.

Former Concorde chief pilot Mike Bannister ... The plane is now decelerating and descending back to the runway in the Mojave Desert after its third surge into supersonic speed, where it hit ...

A Carnegie Mellon University grad is behind the successful flight earlier this week of the first independently developed jet to break the sound barrier.

An American civil aircraft broke the sound barrier for the first time in California’s Mojave Desert, a US aviation company announced on Wednesday.

Boom Supersonic this week successfully flew the first supersonic flight of its XB-1 demonstrator aircraft over the Mojave Desert in California, USA.

What was once the largest solar power plant of its type in the world appears headed for closure just 11 years after opening.

You have at least 17 years to go before you get to state pension age. And if you don’t add a single penny to your pension, given the amount you have now, you are likely to end up with a pot of around £60,000 by the time you are 70. And assuming you do continue to contribute to your pension it will be potentially be quite a bit more than this.