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EAST GRAND RAPIDS, Mich. — East Grand Rapids residents can still enjoy outdoor activities at the newly renovated Manhattan Park as summer draws to a close. The park's pickleball courts have undergone ...

Boom, the startup developing a new generation of supersonic aircraft, has achieved a major milestone after its test plane broke the sound barrier for the first time. The XB-1 “Baby Boom” piloted by ...

The Colorado-based company is aiming to build a Concorde-like supersonic aircraft—but has hurdles to clear before realizing that goal. Boom’s XB-1 demonstrator aircraft just broke the sound barrier, ...

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. Boom and NASA released a unique ...

During the XB-1's historic flight on Tuesday—its 12th test flight overall—the aircraft stayed supersonic for around four minutes before breaking the sound barrier two more times during the same outing ...

It took off with a bang. Boom Supersonic’s XB-1 jet broke the sound barrier for the first time on Monday as the American company seeks to deliver the world’s faster airliner capable of carrying ...