Despite satellites and submersibles, most of the ocean is still a question mark. Scientists have theories, but plenty of things under the sea just don’t add up.

What is the greatest mystery in the ocean? It might be the ocean floor itself. Although the oft-heard statistic is that we know more about the surface of Mars than we do about the ocean seabed, ...

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The Earth's mighty oceans are even more mysterious than outer space. The majority of the planet's surface is covered by water, but 95% of our oceans remain unexplored. We know more about Mars than we ...

The ocean is full of strange and mysterious phenomena that make even the Bermuda Triangle look utterly boring and suspicious. From deep-sea creatures that seem to come from science fiction to ...

In 2013, a mysterious epidemic swept across the Pacific Coast of North America, rapidly turning billions of sea stars from Mexico to Alaska into goo. Its name, sea star wasting disease (SSWD), ...