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Aug 3, 2015Climate modelers go back in time to simulate past Snowball Earth conditions and find that complete freeze-over is hard to achieve.
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Jan 13, 2015O ambiente físico pode produzir choques repentinos para a vida do nosso planeta através do impacto de rochas espaciais, vulcões em erupção e outros eventos.
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Jan 8, 2015The discovery of ancient lake deposits in the driest part of the Saharan Desert confirms that the region was wetter in its past.
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Jun 16, 2014A recent diving expedition provides a closer look at some South Pacific hydrothermal vents where the precursors to life may have gotten their start.
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Apr 28, 2014Methanogens behind largest extinction event in Earth's history. Teaser: The cause of the most devastating mass extinction known to scientists may have been a lowly little microbe who changed its eating habits.
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Mar 17, 2014Wind and dust conditions in Sub-Saharan Africa Africa can help predict a meningitis epidemic.
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Oct 28, 2013Researchers are collecting together data on photosynthetic pigments from Earth to help imagine the colors of life on other planets.
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Aug 26, 2013Previous studies suggested that planets in the habitable zone of red dwarfs should be dry, but more recent work refreshes the possibility of water on these distant worlds.
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Jun 27, 2013The Lewis and Clark Fund for Exploration and Field Research in Astrobiology fosters the "pioneering" efforts of graduate students and post-doctorate researchers as they step out of the lab and into the field.
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Mar 28, 2013Genomic studies consistently show that all life on Earth is related, but our earliest ancestors may not have evolved in the same way we do now.