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James Webb spots possible life signals on K2-18b

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable claims. Using the James Webb Space Telescope, astronomers studying the ...
C&EN

Where does the search for signs of extraterrestrial life go from here?

This April, news reports linked the stinky gas dimethyl sulfide (DMS) in the atmosphere of a distant exoplanet called K2-18b to possible life on it. The reports, prompted by work led by astronomer ...