The world’s five oceans remain one of Earth’s final frontiers. Vital to the planet’s ecosystems, nearly 80% of these vast waters are still unmapped and unexplored. Covering 71% of the Earth’s surface, ...

In terms of sheer area, oceans are top of the list of the most common landforms. Yes, even oceans are landforms, given that they are composed of vast basins riddled with trenches and mountains. In the ...