Galileo GPS: Here we investigate the components of this group of 30 cluster satellites that make up the Galileo program. How It All Began: Here we look at the lengths humans are going to to learn more about the cosmos, including probes that tail comets and the highly productive Cassini Mission. Human Life: Scientists look to meteorites to help unlock clues about how life itself began. Russian Robotic Arm: We visit a facility outside Moscow that is exploring the new robotic device that will be a vital link on the International Space Station. Pictures From Titan: The Huygens probe was 7 years in the making and has landed on the moon of Titan and is sending back pictures from 3.2 billion miles away. Gravitrons In Space: We look at some simple experiments that take place in space to test the properties of zero gravity. Life on Planets: The planet Sedna was recently the first new discovery of a body in the solar system since Pluto in 1930 and raised some amazing questions about extra-terrestrial life. Robot Arm Wrestling: NASA uses high school arm wrestling champions to test the strength and versatility of its new robotics.