While the plane’s engines were still audible on the ground, surpassing the Mach cutoff ensured no one heard a disruptive sonic boom. According to the company’s February 10th announcement ...

A sonic boom occurs when an aircraft travels equal ... "Essentially it is sending the message that we can strike you whenever we want to," Dr Hellyer said, stressing that neither Lebanon nor ...

Boom Supersonic announced Monday that its airliner could fly above Mach 1 without producing a sonic boom audible from the ground. As Concorde could only fly supersonic over water, this discovery ...

Boom Supersonic announced that it could fly faster than the speed of sound without a sonic boom. Elon Musk backed the CEO's calls for regulatory changes to allow supersonic flights over land.

(Photo by John Keeble/Getty Images) In the meantime as with Concorde, the XB-1 test model can’t fly supersonic over land in the U.S. because of the powerful sonic boom. Today’s test over ...