Virgin Galactic's SpaceShipTwo Roars Through Second Supersonic Flight

On Sept. 5, 2013, Virgin Galactic’s SpaceShipTwo was released from its carrier aircraft and proceeded to conduct its second supersonic flight. Photo Credit: Mars Scientific / Clay Center Observatory

At 8 a.m. PDT, over the deserts of Mojave, Calif., Virgin Galactic’s SpaceShipTwo (SS2), ferried aloft by the WhiteKnightTwo (WK2) carrier aircraft, was released, […]

A Brief History of Spaceplanes

Spaceplanes are not a new concept, having been thought up years before the space age even began. Image Credit: NASA

A spaceplane is quite simply a vehicle that can fly as both an airplane in the atmosphere—generating lift from its wings—and as a spacecraft in a vacuum using rocket propulsion. No spaceplane has […]