Scientists map of old Mars river basins for the 1st time. These could be great places to search for ancient life

A complex valley network near Idaeus Fossae on Mars, captured by the Mars Reconnaissance Orbiter. New mapping shows such networks were once part of vast, connected river basins that carried nearly half the sediment moved by Martian rivers, and may be among the most promising places to search for evidence of ancient life.

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may also be among the most promising places to search for signs of past life.

src: https://www.space.com/astronomy/mars/scientists-map-of-old-mars-river-basins-for-the-1st-time-these-could-be-great-places-to-search-for-ancient-life
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