Billionaire Paul Allen has formed a new company to help make spaceflight more affordable and efficient. Vulcan Aerospace, which was unveiled Monday (April 13), will spearhead the space projects of Vulcan, Inc., a company Allen and his sister Jody formed in 1986. "Vulcan Aerospace is the company within Vulcan that plans and executes projects to shift how the world conceptualizes space travel through cost reduction and onâ€demand access," Vulcan Aerospace president Chuck Beames and his colleague Kyu Hwang wrote in a paper describing the company that was presented at the 31 st Space Symposium in Colorado Springs this week. "Vulcan...