Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars

A continent-like shelf beneath the Martian surface hints that a vast ocean once covered up to a third of Mars, reshaping the long-running debate over its watery past.

The post Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars appeared first on Sci.News: Breaking Science News.