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    Water is essential for life as we know it, and some scientists believe that the water on Earth was delivered by comets after the planet's formation. Now, a new study of silver in meteorites and Earth rocks tells a different story.
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  • News_Image_70
    Water is essential for life as we know it, and some scientists believe that the water on Earth was delivered by comets after the planet's formation. Now, a new study of silver in meteorites and Earth rocks tells a different story.
    read more
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    NASA's Opportunity rover on Mars recently participated in a public photography project called 'A Moment in Time.' On May 2 at 15:00 UTC, people all around the world took a photograph to show the variety of life on our world. Opportunity joined in, adding a
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    Unmanned blimps or balloons flying for thousands of kilometers could offer a bird´s eye view of planets and moons.
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    Volcanoes play a major role in Earth's climate, as evidenced by the recent eruption in Iceland. Some volcanic activity that isn't quite as visible, like the ocean's version of the La Brea Tarpits off the Santa Barbara coast, also has an effect on life.
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    The evolution of complex life may have gotten a jump start when large quantities of phosphorus washed into the oceans billions of years ago. This could have led to algal blooms that pumped extra oxygen into the environment, bringing blue skies for life on Earth.
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    The 2010 Astrobiology Science Conference was a wild rodeo of ideas, debates, and scientific discovery. Although there was far too much science presented over four days to cover in full, this round-up provides a few highlights.
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    The Voyager 2 spacecraft, launched in 1977, is now having problems talking to Earth. Engineers are trying to figure out how to resume normal communications with this envoy at the edge of the solar system.
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    Scientists have discovered that simple peptides can form membranes that may have been essential for life's origin. The contents of all living cells are surrounded by membranes that separate cells from their surrounding environment. The origin of such membranes is thought to be an essential
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    Scientists have discovered a microbe living deep in former copper mines that contains one of the smallest genomes ever reported. The ultra-small microbe can teach astrobiologists about how small life can be, and will help us understand how to search for tiny microbes on other
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