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

Apr 20, 2026 - 15:45
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Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars
Illustration taken from orbiter data identifying the coastal shelf region on Mars; analogous features on Earth are signatures of our global oceans, and only form over long periods of time. Image credit: A. Zaki.

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.

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