Richard Branson reached space on a test flight for Virgin Galactic before gliding back to earth and touching down safely Sunday, the latest salvo in the burgeoning space tourism business led by high-profile billionaires. The Virgin Group founder launched Sunday with three company employees, flying 53 miles above the earth in a final test mission before kicking off commercial space flights next year. Branson – who earned his pilot’s license – tested the astronaut cabin experience. A photo released by the company showed Branson and the three others in zero gravity.After landing, Branson tweeted that going to space was ... (full story)