One of many strongest indicators of life exterior Earth was introduced this week, however some astronomers cautioned that this can be very tough to confirm. That raises the query: will there ever come a degree the place we now have definitive proof of extraterrestrial life, and when would possibly that be?

The supposed indicators of life have been picked up by the James Webb House Telescope (JWST) from the exoplanet K2-18b, 124 gentle years away. Nikku Madhusudhan on the College of Cambridge and his colleagues reported a sign of dimethyl sulphide (DMS), a molecule that…