Boom Supersonic sans Sonic boom

Boom Supersonic says its XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. CEO ...
The scaled-down prototype, nicknamed the "Baby Boom", broke the sound barrier for the first time during a test flight over ...
Two weeks ago, Boom Supersonic’s XB-1 demonstrator plane made history when it broke the sound barrier over the continental ...
Boom Supersonic’s XB-1 creates a sonic boom inaudible from the ground below when flying at the exact right speed and altitude ...
More than 20 years since the final Concorde flight, is a small US start-up now on course to bring back supersonic air travel?
It’s now the first piloted non-military aircraft to break the sound barrier since the Concorde was retired from service in ...
Boom Supersonic’s XB-1 has broken the sound barrier, paving the way for faster commercial flights if future tests succeed.
A supersonic Boom Supersonic flight across the United States — beginning potentially as early as 2029 — could be at least 90 ...
Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...