Countless people online reported hearing a sonic boom in Port St. Lucie and Vero Beach the evening of Feb. 19. At 8:41 p.m.

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A SpaceX Super ...

Supersonic air travel is great if you want to get somewhere quickly. Indeed, the Concorde could rush you from New York to London in less than three and a half hours, over twice as fast as a ...

Imagine leaving work in L.A. or San Francisco a little early on a Friday afternoon and winding up with a drink on the beach in Maui before cocktail hour is over. Imagine Seattle to Tokyo in four hours ...