PASADENA, Calif. -- The international Cassini spacecraft threaded a gap between two of Saturn's dazzling rings late Wednesday and entered orbit around the giant planet, completing one of the mission's ...

For nearly two decades Enceladus, a 500-kilometer-wide moon of Saturn, has been a top target in the hunt for extraterrestrial life. In 2005, shortly after arriving in orbit around the ringed planet, ...

HOUSTON—After a dozen years in orbit about giant Saturn, the Cassini spacecraft is set to embark on a “ring grazing” session as the lead-in to a mission “Grand Finale.” The two exercises are intended ...