Virgin Galactic SpaceShipTwo has been lost in an “anomaly” over the Mojave Desert.

One person is dead and a second is seriously injured, according to California Highway Patrol.

The pilot ejected from the space ship with a parachute, suffered major injuries and is now in the hospital. The co-pilot did not eject and died, according to Reuters.

Virgin Galactic says it will work with authorities to determine the cause of the crash.

On Virgin Galactic's website, it described the SpaceShipTwo as follows: