Space firm founded by billionaire Paul Allen 'transitioned ownership'

SEATTLE (Reuters) - Stratolaunch Systems Corp, the space company founded by late billionaire and Microsoft Corp co-founder Paul Allen, said on Friday it has "transitioned ownership and is continuing regular operations."The company, a unit of Allen's privately-held investment vehicle Vulcan Inc, had been developing a fleet of launch vehicles, including the world's largest airplane by wingspan, to send satellites and eventually humans into space. Allen, who founded Seattle-based Stratolaunch in..