Hydrogen sulfide detected in distant gas giant exoplanets for the first time
Los Angeles CA (SPX) Feb 13, 2026
Hydrogen sulfide is what makes rotten eggs stink. But the discovery of this gas in the atmospheres of four distant, Jupiter-like planets is turning heads for a pleasant reason: It solves the mystery of how some gas giants form. The discovery, made by UCLA and University of California San Diego astronomers, marks the first time that hydrogen sulfide has been detected in a distant gas giant outsid
Published by SpaceDaily on 02/13/2026