and indeed Apollo 11 landed 44 miles southeast of the Ranger 8 impact site in July 1969. Schematic diagram of the Ranger 8 spacecraft, showing its major components. Credit: NASA / JPL The ...

NASA aims to travel to the moon again—and beyond. Here’s a look at the 21st-century race to send humans into space. Private spaceflight is not a new concept. In the United States, commercial ...