Scientists learned early on how crucial the roll maneuver was to get astronauts to space, and NASA has been using it since ...

Reusable rockets have reshaped the economics of spaceflight by dramatically reducing the cost of launching payloads into orbit. Traditional rockets were single-use vehicles that burned up or crashed ...

How do you safely move a 5.75 million-pound, 322-foot-high rocket more than 4 miles from the assembly building to the launch pad and back? Flag down the Crawler-Transporter 2, or CT-2, the slow-moving ...