Could we really be on the verge of discovering life on other planets? Related Story Experts Find Potential Signs of Life on ExoplanetThen, earlier this year, JWST’s follow-up observations provided updated evidence for DMS and/or its cousin, DMDS. Watch Pop Mech editors John Gilpatrick and Jackie Appel geek out over the mysterious DMS and K2-18b, and how this signal—if confirmed—would change everything we thought we knew about life elsewhere in the universe. Plus, Jackie talks about her series, “Pop Mech Explains the Universe,” in which she highlights the wildest findings across the cosmos every week. Watch the full episode above now, and find more installments of “The Astounding Pop Mech Show” on PopularMechanics.com.