When we picture Earth’s most extreme environments, our minds often jump to volcanoes, polar ice caps, or arid deserts. But nothing is quite as alien, or awe-inspiring, as the deep sea. It is mind blowing to know that we actually know more about the surface of Mars than we do about the deep ocean right here on Earth. And yet, this mysterious world is teeming with bizarre, beautiful, and baffling life. Below 200 meters, the ocean becomes a realm of darkness, crushing pressure, and...
