NASA needs backup plan as US crew launches slip

July 17, 2018

With its last shuttle flight seven years ago this month, NASA has been paying Russia up to $82 million a seat to ferry U.S. astronauts to and from the International Space Station. But that contract is up at the end of next year. "NASA is considering potential options, but it does not have a contingency plan for ensuring uninterrupted U.S. access,"...