NASA Satellites Spot Rare Underwater Volcano Eruption That Could Create Earth’s Newest Island

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.
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At 70,000 feet, Olympus Mons on Mars stands two and a half times taller than Mount Everest. It is the largest volcano in the solar system, and it may not be extinct

A person standing on the largest volcano in the solar system would never know it. Olympus Mons rises 70,000 feet over Mars on ...