'Water-trapped' worlds: A look at life around a cool star

A new study takes a deeper look into the fate of life-permitting water on Earth-like planets around red dwarf stars, the most common stars in the universe.Many of these exoplanets quickly become "tidally locked," with one side always facing their reddish star while the other side freezes in permanent night.
 'Water-trapped' worlds: A look at life around a cool star