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Nov 12, 2018How light reflected by vegetation, varying through time, is a strong biosignature.
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Aug 23, 2018How the presence of oxygen and other disequilibrium gases could signpost life.
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Apr 19, 2018Habitable planets may be more likely around warmer M-dwarfs.
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Mar 15, 2018Elements found in the mantles of Earth and Mars could be indicative of giant impacts early in the histories of both planets.
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Nov 16, 2017Asteroids key to understanding our Solar System's formation.
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Sep 18, 2017The Gale Crater site once flowed with rivers ending in a lake.
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Mar 13, 2017Ocean chemistry became favorable to macro-organisms.
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Oct 10, 2016Huge electromagnetic blasts immediately impact life.
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Sep 12, 2016The credibility of trace fossils up in the air.
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Dec 25, 2015Strip away the atmosphere and a mini-Neptune might have a habitable core.