@Polaris 17 March 2021 more from that month

Mars “missing water” is buried beneath surface --study WASHINGTON -- Billions of years ago, Mars was home to lakes and oceans--but where all the water went to transform the planet into the desolate rock we know today has been something of a mystery. Most of it was thought to have been lost to space, but a new study funded by NASA proposes that it didn't go anywhere but is trapped within minerals in the crust. "We're saying that the crust forms what we call hydrated minerals, so minerals that actually have water in their crystal structure," Eva Scheller, lead author of the new paper in Science, told AFP. Read more: https://www.gmanetwork.com/news/scitech/science/780133/mars-missing-water-is-buried-beneath-surface-study/story/ #Astronomy