Space is not the final frontier … yet. We still have too much to see here on our own planet! The oceans take up most of the surface of our world, but we still know very little about them, relative to their size. We've only explored 5 percent of the ocean floor, and 0.5 percent of the oceans themselves.

The life that exists below the sea is exciting and mysterious. The canyons and mountains are vast. And the future of our oceans is uncertain. Follow these heroes of oceanographic research they share their passion for the biggest things on the planet. Our seas. via Curiosity

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