The globe of Saturn, seen here in natural color, is reminiscent of a holiday ornament in this wide-angle view from NASA's Cassini spacecraft. (NASA/JPL-Caltech/Space Science Institute) PASADENA, Calif. -- A NASA spacecraft has sent holiday greetings from the outer solar space. The space agency on Monday released dazzling new images of the ringed planet Saturn and its moons. The Cassini spacecraft took the pictures earlier this year. The southern hemisphere of Saturn. (NASA/JPL-Caltech/Space Science Institute) (MORE: ) Saturn resembled an...

China’s Chang’e 3 robotic landing on the moon has helped spur a political crusade in the United States to more aggressively explore and utilize the moon. At the heart of the campaign is the Lunar Exploration Analysis Group (LEAG), a group chartered by NASA Headquarters to assist in planning the scientific exploration of the moon. LEAG is organizing a letter writing campaign to Congress to underscore the importance of . (MORE: ) The LEAG scripted strategy is being orchestrated under...

The Most Amazing Alien Planet Discoveries of 2013 Data from NASA's Kepler mission finds evidence for at least 100 billion planets in our galaxy. Image released January 3, 2013. (NASA/JPL-Caltech) While astronomers didn't bag that elusive first "alien Earth" in 2013, they made plenty of exciting exoplanet discoveries during the past year. Click through to see a list of the top finds of 2013, from a tiny world about the size of Earth's moon to a blue gas giant on...