Atmosphere Habitable Zone Liquid Water Potential Habitable Planets Rocky Planets Extraterrestrial Life Earth-like Planets Potential Habitability Astrobiology Earth-size Planets Gliese 12 b Research and Discovery Comparative Planetology Planetary Atmospheres Planet Atmosphere Habitability Zone Habitability Factors Temperate Exoplanets Alien Life Detection Liquid Water Presence LHS 1140 b UV Radiation Effects Water Abundance Venus-like Exoplanets Venusian Conditions Wolf 359 HD 20794 d HD 20794d Water Carbon Signatures Milky Way Magnetic Fields Life Potential Potential Habitable Worlds Habitable Worlds Potentially Habitable Worlds Potential for Life Non-Habitable Habitable Planets Planetary Evolution Research Methods Solar Radiation Potential for human life Gliese 12b Atmospheres Space Exploration