The ocean covers more than 70 percent of the Earth’s surface. Considering how vast it is, scientists know relatively little about what’s going on down there. On top of that, there are many popular ...

The ocean makes up the majority of the Earth's surface, so it makes sense that 95% of our seas are still unknown to us—there's just so much to explore. And we know even less about the deepest parts, ...

Finally, at the very top of the world lies the Arctic Ocean. It is the smallest and shallowest of the five, mostly contained ...

Add Yahoo as a preferred source to see more of our stories on Google. The ocean covers more than 70 percent of the Earth's surface. Considering how vast it is, scientists know relatively little about ...