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    Most scientists who study the origin of life assume that it occurred in the ocean. But a minority view is that ions in seawater may interfere with prebiotic chemistry, making a freshwater environment more likely.
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  • SAM I Am
    When the Mars Science Laboratory rover ‘Curiosity” lands on Mars in August 2012, its SAM instrument will “follow the carbon” to better understand the past and present habitability of our planetary neighbor.
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    ¿Han existido los virus desde que la vida apareció por primera vez en la Tierra? Para entender la historia de los virus los científicos están estudiando si las salinas y las aguas termales preservan firmas virales.
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    Have viruses been around since life first appeared on Earth? To learn about the history of viruses, scientists are exploring whether salt beds and hot springs preserve viral signatures.
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  • News_Image_682
    Los científicos quieren enviar un orbitador con sonda al planeta gigante de hielo Urano, pero ¿existen recursos para apoyar un proyecto tan ambicioso?
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    Scientists want to send an orbiter and probe to the ice giant planet Uranus, but do the resources exist to support such an ambitious project?
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  • News_Image_325
    Eight years have passed, and scientists still haven't been able to come to any consensus over purported detections of methane on Mars.
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  • News_Image_3251
    Han pasado ocho años y los científicos aún no han sido capaces de llegar a un consenso sobre la supuestas detección de metano en Marte.
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  • News_Image_631
    Mars has lost an ocean's worth of water, but to find where it all went will take satellites and computer models working in conjunction.
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  • News_Image_174
    Would extraterrestrials like to listen to our music? A new collaboration between science and music has created musical messages that might one day be sent to alien worlds.
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  • News_Image_482
    Exotic life forms may be lurking in your home, and a new citizen science project seeks to find them. By sampling home water heaters to study the micro-organisms that thrive there, scientists can learn more about the types of life we may find beyond
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  • News_Image_2751
    Despite its magnetic field, Earth is losing its atmosphere to space at about the same rate as planets that lack this protective barrier against the solar wind. Scientists now are beginning to question whether magnetic fields really are vital to helping a planet hold
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  • News_Image_318
    The claim of a microbe that swaps arsenic for phosphorus may be questionable, but alternative chemistries for life is still a question worth considering, say researchers.
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  • News_Image_396
    Researchers are studying some of the earliest skeletons in order to better understand the ancient advancement of animal life.
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  • News_Image_384
    The P-T mass extinction may have been instigated by populations of algae dying. According to one group of scientists, this die-off of large numbers of relatively simple life forms caused a crash in the ocean's entire food web.
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