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Is there really alien life on this exoplanet? We asked 10 experts.
A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...
Scientists found a potential sign of life on a distant planet – an astronomer explains why many are still skeptical
(THE CONVERSATION) A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had found evidence for an unexpected atmospheric gas. On Earth, ...