Alien 'ocean worlds' probably deal with the same gross stuff we do—like massive bacterial blooms and viral outbreaks in their seas.
March 25, 2026
Original Paper
Ecological modelling of hycean worlds
arXiv · 2603.22491
The Takeaway
Using mathematical models of Earth's biology, researchers simulated life in the deep oceans of hydrogen-shrouded planets. They found that these alien ecosystems could host complex, stable food webs and even suffer from 'alien viral outbreaks' that cause entire populations to collapse.
From the abstract
New observations are opening the possibility of characterising habitable environments in exoplanetary systems, with the recent example of the candidate hycean world K2-18 b. This motivates an exploration of the possible ecological conditions on such planets to better interpret biosignatures as well as understand the nature of potential life. On Earth, the Lotka-Volterra equations have been used to model numerous coupled populations within ecosystems, from interactions between large vertebrates,