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Colorado company Boom Supersonic plans to break the sound barrier with its test plane XB-1 during a test flight this morning, ...

In new photos, the X-59 performs afterburner tests at Lockheed Martin's legendary Skunk Works facility in Palmdale, ...

While the prospect of commercial supersonic flights is probably at least a decade from becoming a reality due to Boom ...

As Concorde fans around the world celebrate the 49th anniversary of the jet's entry into service, let's take a look back at ...

Some of the concepts are intended to carry more ... It has been more than 20 years since a supersonic passenger aircraft soared, and it's unclear when or if another one will.