Shooter Takes Stand In Loud Music Trial A man who shot and killed a 17-year-old teenager after an argument over loud music outside a Jacksonville convenience store said Tuesday that he feared for his life when he opened fire.
Researchers: Spacecraft-Riding Microbes Could Colonize MarsResearch shows bacteria and other Earth microbes can survive on spacecraft.
Astronomers: Saturn's Moon Enceladus Holds Huge Ocean Of WaterFinding makes the moon a likely candidate for extraterrestrial life in our solar system.
Study: Life-Sustaining Planets May Exist Beyond Our Solar SystemAccording to a recent study, scientist say planets in a solar system over 100 light years from Earth can sustain life.
NASA Discovers 2 Distant Planets Ideal For LifeNASA's planet-hunting telescope has discovered two planets that seem like ideal places for some sort of life to flourish. They are just the right size and in just the right place near their star.

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