In the 17th century, astronomers Christiaan Huygens and Giovanni Cassini trained their telescopes on Saturn and uncovered a startling truth: the planet's luminous bands were not solid appendages, but vast,

Simulations indicate that Saturn’s moon Enceladus ejects less ice into space than previously estimated. In the 1600s, astronomers Christiaan Huygens and Giovanni Cassini aimed their telescopes at Saturn and made a groundbreaking discovery.