British billionaire Richard Branson on Sunday soared more than 80 kilometres above the New Mexico desert aboard his Virgin Galactic rocket plane and safely returned in the vehicle's first fully crewed test flight to space, a symbolic milestone for a venture he started 17 years ago.

Branson, one of six Virgin Galactic Holding Inc employees strapped in for the ride, touted the mission as a precursor to a new era of space tourism, with the company he founded in 2004 poised to begin commercial operations next year...