For this week's Sea Camp, we're diving below the surface to explore the sunlight zone, the portion of ocean that's 0-200 meters deep. This is where phytoplankton eat sunlight, poop out sugar and ...

Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a chasm in the ...