SpaceX’s Dragon spacecraft, carrying the Ax-4 crew, is expected to splash down off the coast of San Diego at 2:31 a.m. PT on ...

Rocket ascent sonic booms are much lower in frequency and can, indoors, sound—and feel—like an earthquake. The boom's dominant energy is at a frequency of less than 1 hertz, below the range of ...

The sonic boom from the October Starship launch measured up to 146 decibels in some areas. “That’s like being a few feet away from a gunshot without hearing protection,” Gee said.

The sonic boom from the October Starship launch measured up to 146 decibels in some areas. “That’s like being a few feet away from a gunshot without hearing protection,” Gee said.

Boom’s XB-1 ‘Baby Boom’ demonstrator achieves supersonic flight with no audible sonic boom on the ground. [Courtesy: Boom Supersonic] Last month in the skies above Mojave Air & Space Port in ...

Boom Supersonic says the company's XB-1 aircraft achieved supersonic flight without an audible sonic boom on the ground below. ... "It's actually well-known physics called Mach cutoff.

If NASA’s bet on the X-59 pays off, it will revolutionize commercial aviation, making the journey from New York to Paris a four-hour joyride.

The sonic boom from the October Starship launch measured up to 146 decibels in some areas. “That’s like being a few feet away from a gunshot without hearing protection,” Gee said.

As the Super Heavy booster made its way back to a pinpoint landing, an earsplitting sonic boom rang out. “It truly was one of the loudest things I’ve ever heard or experienced,” said Noah ...