A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Although the claims of life on K2-18b may be overblown ... Meanwhile, Cleaves quips that CFCs and other halocarbons could be signs that “someone else is advanced enough to ruin their atmosphere ...

Life. But how would we know it ... “Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious,” states a ...