Into The Impossible

Brian Keating explores the buzz around a possible sign of alien life on exoplanet K2-18 b, discussing the detection of dimethyl sulfide—a molecule that on Earth is linked only to biology. He urges caution, explaining that while the findings are exciting and headline-grabbing, the evidence is not yet conclusive and scientific skepticism is essential. Learn more about your ad choices. Visit megaphone.fm/adchoices