This view of the dark Cassini Division, which separates Saturn’s outer A-ring from the inner B-ring, was taken on August 23, 1981, when Voyager 2 was about 1.7 million miles from the planet.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

On this date, Jan. 26, 1981, NASA Voyager 1 probe discovers Saturn’s moon, Epimetheus. Saturn would be the last planet Voyager 1 would visit before beginning its ongoing journey out of the solar ...