• News_Image_370
    A new study shows that variations in carbon dioxide 40 million years ago were tightly coupled to changes in global temperature. Understanding the relationship between the Earth's climate and carbon dioxide can provide insight into the extent of future global warming caused by the activities
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    New research is causing geologists to rethink the timeline of when animals appeared on the Earth. The fossil record indicates that a large number of animal species appeared during the 'Cambrian Explosion' some 542 million years ago. Now it seems that their appearance may not
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    The primary goal of NASA's upcoming Mars Science Laboratory is to determine whether or not habitable environments for life once existed at its landing site. However, the mission will also provide important data while en route to Mars by monitoring how much radiation living organisms
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    One of the reasons NASA sends so many missions to Mars is because of the planet´s potential for life. Current missions search for factors thought to be necessary for life, such as liquid water and organic molecules, but some scientists now say the search
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    Chemists have uncovered a chemical reaction that could allow scientists to study the ancient atmospheres of Earth and Mars. The technique could yield clues about past life on Earth - and the potential for past life on Mars.
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    In October, a UFO (unidentified 'floating' object) was spotted in Newport News, Virginia. The bizarre blob was not a Halloween prank, and has been identified as a 'magnificient bryozoan.' This species' fossil record spans some 500 million years - but the Newport News specimen is
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    Mars sample return – bringing rocks from Mars back to Earth – has been on NASA´s wish list for decades, and work is underway to develop the necessary technology. Recently a group of scientists field-tested a robotic system that can drill into rocks, collect small
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    A new study shows how Earth's first plants began to colonize the land by forming a partnership with soil fungi. The research is helping scientists better understand mechanisms behind the evolution of life.
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    NASA's Mars Reconnaissance Orbiter has discovered mineral deposits on a volcanic cone that point to recent and habitable microenvironments for life on Mars. Hydrated silica flanking a volcanic cone indicates the presence of hydrothermal environments like hot springs, which might have been habitats for living
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    NASA's EPOXI spacecraft flew by comet Hartley 2, and the images it captured show a peanut-shaped nucleus with many jets of gas spewing from its surface. Studying comets like Hartley 2 can help astrobiologists determine if comets played a role in the origin of
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