The impressive flight cadence of Virgin Galactic's VSS Unity space plane won't last much longer. Unity flew for the sixth time in as many months last week, carrying two research scientists and another ...

Virgin Galactic's newest space plane has taken to the skies again. The suborbital SpaceShipTwo vehicle, known as VSS Unity, completed its second-ever powered test flight today (May 29), soaring high ...

An aerial view shows the SpaceShipTwo rocket plane known as VSS Unity and its White Knight Two mothership from the rear. (Credit: Virgin Galactic) Virgin Galactic had to scale back what it hoped would ...

Flying faster and higher than ever before on its third test flight, Richard Branson's space plane soars closer to beginning passenger flights. Kent was a senior managing editor at CNET News. A veteran ...