NASA is preparing to enter a new era of Moon and Mars exploration. Before it does, the agency is overdue for some remodeling of its facilities. Two historic test stands at NASA’s Marshall Space Flight ...

Bob Ebeling was anxious and angry as he drove to work on the morning of Jan. 28, 1986. He kept thinking about the space shuttle Challenger, cradled on a Florida launchpad 2,000 miles away. Ebeling ...