The crew module simulator for the Ares I-X test flight arrives at NASA's Kennedy Space Center.

Engineers test an instrument that may be used in future moon landing missions.

An update on the Constellation program featuring Ares, Orion and Altair.

Extreme environments around the world are proving grounds for hardware, software, protocols which will eventually help us when we return to the Moon and go to Mars and beyond. Explore with us some of the field tests recently undertaken in these analog env

NASA recognized Armadillo Aerospace, the winner of the 2008 Northrop Grumman Lunar Lander Challenge, during a ceremony at NASA Headquarters in Washington.