Breaking the sound barrier in a privately developed civil aircraft is a significant aviation milestone by any measure. But as the champagne corks popped and the engines on Boom Supersonic’s XB-1 ...

In a world where speed is often synonymous with progress, a small startup with just 140 employees has made a groundbreaking ...

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Two decades after Concorde's retirement, Boom Supersonic's test aircraft has broken the sound barrier for the first time ...

Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...

The Colorado-based company is aiming to build a Concorde-like supersonic aircraft—but has hurdles to clear before realizing ...

Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10, 2025. The ...

29,885 people played the daily Crossword recently. Can you solve it faster than others?29,885 people played the daily Crossword recently. Can you solve it faster than others?

Sonic booms effectively killed the elegant Concorde supersonic airliner in the 1970s. The fleet-footed aircraft could reach 1,354 miles per hour (or Mach 2), enough speed to rocket it from Paris ...