What's Hot This Week Atmosphere of Alien Super-Earth Revealed for First Time By Clara Moskowitz The first-ever analysis of the atmosphere of an alien planet classified as a so-called "super-Earth" has revealed a distant world that is likely covered with either water vapor or a thick haze, scientists announced today (Dec. 1).     Old Galaxy Still Giving Birth to Baby Stars By SPACE.com Staff A galaxy thought to be over the hill is apparently still hard at work creating baby stars, a new study finds.     Sponsored by: NASA to Discuss Space Shuttle Discovery's Launch Plans Triple Sky Show: Venus, Moon and Bright Star to Dazzle Thursday Video: Super-sized Alien Planet Has Earth-like Clouds Reality Check: NASA Blurb Sparks Runaway Speculation About Possible Alien Life Venus to Shine Brightest On Saturday

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