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Freshwater and sea turtles may look similar, but neither one could survive in the other's territory for these reasons.

Deep in Earth's past, an icy landscape became a seascape as the ice melted and the oceans rose off what is now the northeastern United States. Nearly 50 years ago, a U.S. government ship searching for ...

(CNN) — This summer scientists drilled deep below the Atlantic Ocean off the coast of northeastern US and tapped into a huge, mysterious reservoir of freshwater — what they discovered could have big ...

Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling ...

Saltwater and freshwater fish bring different flavours, textures and nutritional profiles to the plate. Find out here which ...