The company's programme suffered a setback when a pilot was killed in a test flight crash in 2014
Virgin Galactic is relaunching its project to send people up into space.
SpaceShipTwo was unveiled at an event in California on Friday, with video messages of support from Professor Stephen Hawking and Nobel Peace Prize winner Malala Yousafzai.
The new craft can carry six people and tickets will cost around $250,000 each.
More than 700 people have already signed up.
SpaceShipTwo - or VSS Unity - will be built by Virgin Galactic's own manufacturing branch, The Spaceship Company.
The programme suffered a setback when a pilot was killed in a test flight crash in 2014 - another was seriously injured.
Sir Richard Branson admits it was a tough time for all involved: