Is This Distant Exoplanet Hiding a Vast Ocean? The James Webb Space Telescope (JWST) has made a groundbreaking discovery, detecting carbon-based molecules in the atmosphere of an exoplanet that could be covered in vast oceans. K2-18 b, a so-called "Hycean planet," is located 120 light-years from Earth and may offer new clues in the search for extraterrestrial life. What … [Read more...] about Exoplanet’s surface may be covered in oceans, James Webb Space Telescope finds