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  • Glass Munchers under the Sea
    A team of researchers recently announced that they have found the deepest-living microbes on the planet that eats into rock at the bottom of the sea floor
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  • Titan: Biological Birthplace?
    Saturn's giant moon Titan, cloaked in a thick nitrogen atmosphere laced with hydrocarbons, could provide a laboratory in the sky.
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  • Photosynthesis: Take It or Leave It
    A serendipitous examination of ocean waters last year brought a big surprise for a team of US and Canadian scientists, a surprise that's causing marine ecologists to rethink the details of how ocean ecosystems function.
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  • Carbonaceous Clues to the Early Solar System
    Carbonaceous chondrite meteorites contain vital clues to the evolution of carbon compounds in our solar system preceding the origin of life.
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  • Genomics Meets Geology
    Chemist Steven A. Benner and his colleagues are combining chemistry, geological history and paleontology in an approach aimed at better understanding of life on Earth.
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  • Guerrero Negro
    Guerrero Negro is a popular destination for ecotourists to gaze at the gray whales, but scientists go to investigate an ecosystem that hold important clues to what life was like on early Earth.
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  • Mars: Dead or Alive?
    Recent research on the planet has convinced some scientists that Mars may still be geologically active.
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  • How Small Can Life Be?
    As advanced microscopes enable us to peer deeper into the realms of inner space, biologists have been faced with a vexing question: Is there a size limit on life?
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  • The Meaning of Life
    Sitting beneath a dark night sky, looking up at the vast array of stars, what human has not wondered, "Are we alone?
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  • A Pregnancy Test for Mars
    The test that tells women they are pregnant might also be able to find signs of living organisms on Mars.
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  • Mars Odyssey Finds Large Water Concentrations
    Early results from the Mars Odyssey orbiter show the signature of large water concentrations.
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  • Did Hades Freeze Over?
    Initially, the surface of our planet was a fiery, molten stew. Within a few million years, the crust cooled and water vapor rained down to form the oceans, where life may have made it's first appearance.
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  • Galactic Habitable Zones
    Our Milky Way Galaxy is unusual in that it is one of the most massive galaxies in the nearby universe. Our Solar System also seems to have qualities that make it rather unique. These qualities make the Sun one of the few stars in
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  • Galactic Habitable Zones
    Our Milky Way Galaxy is unusual in that it is one of the most massive galaxies in the nearby universe. Our Solar System also seems to have qualities that make it rather unique. These qualities make the Sun one of the few stars in the
    more...
  • The Birth and Death of Embryonic Planets
    Researchers study how planets form around stars in the Orion Nebula, hoping to understand better how planets in our own solar system formed.
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