Add Yahoo as a preferred source to see more of our stories on Google. On March 24, 1961, NASA's Mercury Redstone rocket launched on its last uncrewed flight before it started sending astronauts into ...

Those were the words Alan Shepard used 60 years ago Wednesday to note his cockpit timepiece had begun running. This meant his Redstone rocket booster had left the ground sending him and his one-man ...

The Mercury Rocket vs. Sputnik: How the U.S. Fell Behind How did America respond to the Soviet Union’s space dominance? The Mercury Rocket was supposed to put the U.S. ahead, but despite its early ...