A $671 million NASA mission to Mars led by the Â鶹ӰԺ thundered into the sky today from Cape Canaveral, Fla., at 1:28 p.m. EST, the first step on its 10-month journey to Mars. Known as the Mars Atmosphere and Volatile EvolutioN mission, the MAVEN spacecraft was launched aboard an Atlas V rocket provided by United Launch Alliance of Centennial, Colo. The mission will target the role the loss of atmospheric gases played in changing Mars from a warm, wet and possibly habitable planet for life to the cold dry and inhospitable planet it appears to be today.