Ultimately, Long told The Huffington Post, oxygen-deprived oceans may have "significant impacts on marine ecosystems" and leave some areas of ocean all but uninhabitable for certain species. While ...

Our planet was very much one composed primarily of water, wrapped, for the most part, in the mighty Panthalassic Ocean that engulfed Earth's comparatively small continents and islands. Breakdown ...

The epipelagic, also known as the sunlight zone, is the very top layer of the ocean where visible light can still be found. Extending down to 200 metres (656 ft) below the surface, the epipelagic ...