SAN FRANCISCO, United States (AFP) — A colossal aircraft capable of launching satellite-toting rockets into space is closer to testing, having been rolled out of a hangar in the desert, its creators said on Wednesday. The project backed by billionaire Microsoft co-founder Paul Allen has been proceeding for about six years and was on track for its first launch demonstration as early as 2019, Stratolaunch Systems Corporation chief executive Jean Floyd said in a blog […]