These water worlds may exist outside the solar system
Potentially Habitable Exoplanets: How To Find Hidden Oceans on Distant Worlds With Chemistry
Water Found for First Time on Super-Earth Exoplanet
JWST finds hints of life on alien world - BBC Sky at Night Magazine
New findings show that JWST could strongly detect certain gasses associated with a habitable planet & signs of past, present, or technologically advanced life in the atmospheres of Earth-like planets around M
Water-World Exoplanets Could Be Friendly to Life, Astrobiology, Astronomy
Webb Finds Potentially Habitable Exoplanet Might Be an Ocean World - CNET
1st TRAPPIST-1 results from Webb Space Telescope
What Would Signal Life on Another Planet?, Science
Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b
Methane and carbon dioxide found in atmosphere of habitable-zone exoplanet