The link you followed will bring you to this page:

https://www.media.inaf.it/2022/12/16/mondi-acquatici-kepler-138/#:~:text=Un%20team%20guidato%20dagli%20astronomi%20della%20Universit%C3%A9%20de%20Montr%C3%A9al%20(UdeM,una%20grande%20frazione%20del%20volume.