On its final orbit, which was predicted to take place in less than 12 hours, the space station would pass over Canada. But NASA scientists reassured journalists that there was a lot more water in ...

An overhead view of the Skylab Orbital Workshop in Earth orbit is pictured on February 8, 1974. The United States launched Skylab, its first manned orbiting laboratory, on this day in 1973. NASA/UPI ...

The First Signs Of A Problem Skylab was launched as the first working space research station in 1973, but its orbit decayed by 1978. As the 100-ton station plummeted out of orbit, NASA engineers ...

The Skylab 4 mission holds the distinction of being the longest mission conducted by any Apollo command module, spanning from November 16, 1973, to February 8, 1974, for a total of 84 days in space.

Skylab, which had been launched into orbit six years earlier, was meant to test the effects of living in space on the bodies of the nine men — three crews of three each — who would go on to ...