Quanta Magazine Follow Where Did Earth Get Its Oceans? Maybe It Made Them Itself. At first, scientists thought Earth’s water came from comets. Then, asteroids. Now, they wonder if Earth’s water is homegrown. https://www.quantamagazine.org/where-did-earth-get-its-oceans-maybe-it-made-them-itself-20260612/ quantamagazine.org
