NASA - National Aeronautics and Space Administration

STS-125/Atlantis
Launch Date: May 11
Launch Time: 2:01 p.m. EDT

LRO/LCROSS
Launch Date: No earlier than June 2

The first test flight, called Ares I-X, will bring NASA one step closer to its exploration goals.
Launch Date: Targeted for late August

S6 Truss Segment
Aboard Discovery
Mission STS-119

Tool designers at NASA's Goddard Space Flight Center had to invent several new instruments for the STS-125 mission.

Engineers spent two years designing and building what is suddenly the most famous treadmill in the world - or above it.

The Astronaut Hall of Fame class of 2009 includes three history making shuttle fliers.

The International Space Station is beautifully balanced and "powered-up."