NASA - National Aeronautics and Space Administration

Competitors put their prototypes to the test during the 2009 Astronaut Glove Challenge.

The last major component set to be added to the International Space Station was officially transferred from the European Space Agency to NASA.

Flown to the moon and back, tree seeds were planted and are growing tall around the world.

Kennedy Space Center turned to the sun for a one megawatt power plant that could point to future energy production techniques.

When the wheels of space shuttle Atlantis touch down to end the STS-129 mission, astronaut Nicole Stott will complete both a first and a last.