Hydrogen Atmospheres Could Make Exomoons Habitable for Billions of Years, Scientists Say
Space science has this wonderful habit of flipping everything we thought we knew completely upside down. For decades, the hunt for habitable worlds beyond Earth focused almost exclusively on rocky planets sitting in the so-called “Goldilocks zone” around their stars. Liquid water, breathable air, just the right temperature. That was the checklist. Now researchers are ...












