the second space station to be crewed in orbit, but as of 2023 it remains the only crewed station to have been operated exclusively by the United States. Skylab’s large size was a result of its ...

In 1973, the Skylab space station hosted astronaut scientists conducting experiments to enhance understanding of Earth and the Sun. Key experiments focused on Earth resources, utilizing advanced ...

Dockings with the Salyut space station followed, as did U.S. dockings with Skylab. In 1975, Americans and Soviets linked up in the Apollo-Soyuz Test Project, and in the late 1990s with space ...