PASADENA, Calif. (AP) - The international Cassini spacecraft has spied a tiny new moon hidden in a gap in Saturn's outer ring, scientists reported Tuesday. The moon was spotted earlier this month orbiting in the center of the Keeler gap, making waves in the gap edges as it circles. Tentatively called S/2005 S1, the moon measures four miles across and is about 85,000 miles from the center of Saturn. More observations are needed to determine the shape of the moon's orbit, but preliminary findings show it is in the middle of the gap, said Joseph Spitale, a planetary scientist at...