Distant Ocean -

Reports from the U.S. Naval War College note that the PLAN's distant-ocean survey fleet has more than tripled since 2015. 3. Other Interpretations

This is the most famous candidate. Scientists at the University of Cambridge have detected methane and carbon dioxide in its atmosphere, suggesting a hydrogen-rich environment and a potentially massive liquid ocean. Distant Ocean

Astronomers may have found traces of dimethyl sulfide (DMS) on K2-18b. On Earth, this molecule is only produced by life, specifically marine phytoplankton. However, researchers remain cautious as unknown chemical processes could also explain it. Other Candidates: Reports from the U