On April 9, 1959, NASA introduced the Mercury Seven, its first astronauts, marking the dawn of America’s human spaceflight program. Chosen from hundreds of military test pilots, these men became ...

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions were powered by equal parts of competition, innovation, and a strong dose of ...

Here’s a look at human spaceflight programs in the United States and around the world. Facts The United States ended its crewed space shuttle program with the launch of Atlantis on July 8, 2011, and ...