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An artist's conception of planet Kepler-452b, the first near-Earth-sized world to be found in the habitable zone of a star that is similar to our sun.
Finding Signs of Alien Life Might Be Harder Than We Thought. Here's WhyMay 2, 2017
Steep Cone in Yellowstone National Park.
Lack of Oxygen not a Showstopper for LifeMay 1, 2017
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Where Should We Look for Ancient Biosignatures on Mars in 2020?April 28, 2017
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The Very Influential Natalie BatalhaApril 27, 2017
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NASA Tests Life-Detection Drill in the Mars-Like Atacama DesertApril 25, 2017
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Behind the Iron Curtain: How Methane-Making Microbes Kept the Early Earth WarmApril 18, 2017
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Ocean Worlds: Enceladus Looks Increasingly Habitable, and Europa’s Ocean Under the Ice More Accessible to SampleApril 13, 2017
Artist impression of Earth during the Archean eon.
New Insight into Atmospheric Chemistry on the Ancient EarthApril 12, 2017
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What Scientists Expect to Learn From Cassini’s Upcoming Plunge Into SaturnApril 10, 2017
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Webcast of The Search for Life in Oceans Beyond EarthApril 5, 2017
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The Magma Ocean and UsMarch 31, 2017
A schematic of the two-domain tree, with eukaryotes evolving from endosymbiosis between members of the two original trunks of the tree, archaea and bacteria.
Looking for LUCA, the Last Universal Common AncestorMarch 30, 2017
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Concept Art of a Mars Mission.
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DNA Traveling through Space.
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