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A private jet that crashed outside D.C. two years ago was flying without sufficient emergency oxygen, federal investigators concluded. The pilot’s unresponsiveness prompted a sonic boom heard across ...

Residents of Washington, D.C., and parts of Virginia were startled on Sunday afternoon by an explosive noise that reverberated overhead, which officials later confirmed was a sonic boom produced as ...

The cause of a massive sonic boom over South Carolina is still a mystery as residents and US officials scramble to identify ...

Commercial flights faster than the speed of sound have taken another step closer to reality. Boom Supersonic announced Monday that its airliner could fly above Mach 1 without producing a sonic boom ...

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The death toll in the crash rose Wednesday to at least 12, officials said. A commercial plane with 60 passengers and four ...