NASA's Endeavour space shuttle on Friday moved towards launch pad in Seaside, Florida just over a month before its last flight. Endeavourâ€TMs 10 day mission is scheduled for lift off on April 19, and set for launch at 7:48 in the evening. Mission STS-134 will deliver the Alpha Magnetic Spectrometer, which is a particle physics experiment module that will assist researchers search for dark matter and antimatter evidence, and help study the formation of the universe. Six astronauts have been tapped and will be commanded by astronaut Mark Kelly, husband of Representative Gabrielle Giffords (Democrat from Arizona), who was injured in the shooting spree months ago.