On January 31, 1961, a chimpanzee named Ham became the first hominid to travel into space, marking a critical milestone in ...

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 ...

Part 2 explores the dramatically different approaches to the launch systems, and the surprising similarities in the factors that contributed to their success. Although they served very different ...