Where Did Earth Get Its Oceans? Maybe It Made Them Itself. | HappeningNow.news

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Where Did Earth Get Its Oceans? Maybe It Made Them Itself.

At first, scientists thought Earth’s water came from comets. Then, asteroids.

Source Story Brief Updated June 12, 2026
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Story Brief

At first, scientists thought Earth’s water came from comets. Then, asteroids. Now, they wonder if Earth’s water is homegrown.

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