An American Airlines regional jet went down in the Potomac River near Washington ... 67 people on board the plane and the helicopter were killed in the Wednesday night crash.

The crash horrified ... helicopter and the plane crashed in the river.” Ari Schulman, a journalist in D.C., was driving home to Alexandria, Virginia, on the George Washington Memorial Parkway ...

Boom Supersonic's XB-1 reached supersonic speed for the first time, proving the aircraft is capable of breaking the sound barrier.

Denver-based Boom Supersonic’s XB-1 demonstrator ... one-fifth as many passengers — around 100. The plane was also the ...

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The ...

An aircraft developed by Boom ... and its sonic booms that led it to be banned on many overland routes. Only 20 were built, 14 of which were used for passenger service. A deadly crash more than ...

Denver-based Boom Supersonic's XB ... passengers — around 100. The plane was also the subject of complaints about noise from its loud turbojet engines and its sonic booms. Scholl says Concorde ...

The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live ... overland routes because of the sonic booms it caused.

Attention on the crash and its cause was heightened by its unusual flight path over Washington and a sonic boom caused by military aircraft heard across D.C. and parts of Maryland and Virginia.

There are “a lot of unknowns about who was where on the streets” when the plane crashed, and it is possible that the casualty figures will grow, Thiel said. The crash scene was at least four ...