Neptune-like worlds could become habitable
Planet transformation can bring water to otherwise dry region
![Habitable planet illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/01/cc_kepler186f_artistconcept_2.jpg?fit=860%2C460&ssl=1)
MINI-NEPTUNES Habitable planets around cool stars (illustrated) could start off as Neptune-like worlds farther from their suns.
NASA Ames, SETI Institute, JPL-Caltech