The noise heard and felt throughout southern Delaware and as far away as Cape May, New Jersey, on Monday was indeed a sonic boom. After saying Monday that Naval Air Station Patuxent River aircraft did ...

The latest SpaceX Falcon 9 rocket launch may have been visible across Southern California a few minutes before midnight Thursday night.

But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the next phase is making it economically feasible. Right now, both subsonic and ...