Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they exist.

When most of us picture the ocean, we imagine turquoise waves, colorful reefs, and shoals of darting fish. But that’s only the surface. Venture deeper, far below the last reach of sunlight, and you ...

A newly discovered deep-sea creature has become an unlikely Internet star. After appearing in a popular YouTube video, a rare chiton found nearly three miles beneath the ocean surface sparked a global ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...