In this interactive feature, NASA Astronaut Pam Melroy guides you through Constellation’s missions to Low Earth Orbit, the moon and ultimately Mars.
NASA and ATK have successfully tested the DM-1 Ares first stage motor in Utah.
Engineers at NASA's Marshall Space Flight Center complete a major milestone on Orion's Launch Abort System.
The Orion crew module that will be used for the first launch abort system Pad Abort 1 flight test is scheduled to depart NASA’s Dryden Flight Research Center Aug. 19 for the White Sands Missile Range, N.M., where the launch abort flight tests will be performed.