12 Bizarre Deep-Sea Creatures That Prove the Ocean Is Stranger Than Space
We Know More About Mars Than Our Own Ocean Floor This is not hyperbole — it is a statement that marine scientists repeat with a mixture of frustration and wonder. While we have mapped the entire surface of Mars in high resolution, over 80 percent of Earth’s ocean floor remains unmapped, unexplored, and essentially unknown. The deep ocean, defined as everything below 200 meters where sunlight cannot penetrate, represents the largest living space on our planet, and we have barely scratched its surface. ...