• News_Image_356
    Astronomers have observed a distant planet with a warm spot in the wrong place. The study brings to question current theories about the behavior of extrasolar gas giants and can help astrobiologists understand how distant solar systems form and evolve.
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  • News_Image_356
    Astronomers have observed a distant planet with a warm spot in the wrong place. The study brings to question current theories about the behavior of extrasolar gas giants and can help astrobiologists understand how distant solar systems form and evolve.
    read more
  • News_Image_355
    The fight continues over a meteorite that some say contains evidence of past life on Mars. Both sides claim to wield Occam's razor, believing that biology – or anything but – provides the simplest explanation of the Mars rock´s many strange features.
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    Telescopes like Hubble and WISE are making observations of the comet Hartley 2 in preparation for its upcoming encounter with NASA's Deep Impact/EPOXI spacecraft. Studying comets like Hartley 2 can help astrobiologists determine if comets played a role in life's origins on Earth.
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  • News_Image_41
    Comets and asteroids may have more in common than scientists once thought. Not only do they sometimes behave the same way, but a new study finds that water ice and organic material are important components of both.
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  • News_Image_893
    Os oceanos são críticos para a sobrevivência da vida na Terra, mas a mudança climática pode estar causando danos irreversíveis a estes frágeis sistemas. Qual papel a acidificação, o derretimento de gelo e o aumento da temperatura de superfície desempenharão na habitabilidade futura de nosso
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  • News_Image_352
    The oceans are critical to the survival of life on Earth, but climate change may be causing irreversible damage to these fragile systems. What role will acidification, ice melt and surface temperature increases play in the future habitability of our planet?
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    There are many factors influencing the Earth's greenhouse effect, but a new study indicates that global temperature ultimately depends on atmospheric level of carbon dioxide. Carbon dioxide may also hold secrets about the climate history of Mars.
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  • News_Image_351
    Astronomers have obtained images of a planet with a much closer orbit around its parent star than any other known extrasolar planet. The planet was discovered using new technology that will help astronomers observe distant solar systems by reducing the risk of disturbances that can
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    Bacterial biofilms can be extremely resistant to environment stresses, including antibiotics. Scientists studying biofilms have found that during the initial stages of formation, the bacteria can actually stand upright and 'walk'. The discovery of a new mechanism for bacterial motility is providing new information about
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