A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the best.

There are 10 major NASA facilities, including the Kennedy Space Center in Florida and the Johnson Space Center in Houston. October 4, 1957 - The Soviets launch Sputnik 1, the world’s first artificial ...