A group of scientists who specialize in different fields including biology, astronomy, and geology has compiled the best strategies that can help anticipate and locate life in other worlds as part of NASA's Nexus for Exoplanet System Science (NExSS) initiative.
In a set of five review papers, which was published in the journal Astrobiology, the group took an inventory of biosignatures, the most promising signs of life. The scientists hope that this can help interpret the presence of biosignatures in other worlds. The aim is to ensure that the science is strong enough to distinguish a living world from those that merely masquerade as one.
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