- This May Be the Oldest Known Sign of Life on Earth (Found embedded in crystal, the structures seem to be fossils formed around hydrothermal vents as much as 4.28 billion years ago.) http://news.nationalgeographic.com/2017/03/oldest-life-earth-iron-fossils-canada-vents-science/ 11 comments science
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- Meet Luca, the Ancestor of All Living Things - The New York Times http://www.nytimes.com/2016/07/26/science/last-universal-ancestor.html 49 comments
- Mars Life? 20 Years Later, Debate Over Meteorite Continues | Space https://www.space.com/33690-allen-hills-mars-meteorite-alien-life-20-years.html 1 comment
- Astrobiology - The Hunt for Life Beyond Earth http://www.nationalgeographic.com/astrobiology/ 0 comments
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