Pilot dead, another injured after Virgin Galactic's SpaceShipTwo crashes

California authorities announced one pilot died, other severely injured after Virgin Galactic SpaceShipTwo suborbital passenger spaceship crashed during a test flight on Friday at the Mojave Air and Space Port in California, officials said.

Only two pilots were aboard the spaceship, which was undergoing its first powered test flight since January.

On Tuesday, Orbital Sciences suffered a high-profile rocket launch explosion after liftoff from Wallops Island, Virginia.