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 ...

On April 9, 1959, NASA introduced its very first astronaut class. This dashing group of young men is known as the Mercury 7. They were all military test pilots before they were chosen for the job, and ...

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 ...