By Lucie AUBOURG Virgin Galactic launched its first tourist passengers into the weightlessness of space Thursday, the culmination of a nearly two-decade commercial pursuit, the company said. The three passengers — Jon Goodwin, Keisha Schahaff, and her teenage daughter Anastatia Mayers — floated gravity-free through the Virgin spacecraft about 45 minutes after taking off. “They are officially astronauts. Welcome to space,” said Virgin Galactic announcer Sirisha Bandla as the spacecraft pushed above 80 kilometers (50 […]