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This March 4, 2021 file photo made available by NASA was taken during the first drive of the Perseverance rover on Mars. The Perseverance rover has been on Mars for a month, collecting data and making discoveries with each passing day. (NASA/JPL-Caltech via AP)
WASHINGTON (AFP) — 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.