Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

After years of deep-sea sleuthing, National Geographic Explorer Katy Croff Bell has created a treasure map. It’s not drawn on ...

Scientists discovered 24 new deep-sea species, including one from a completely new branch of life in the Pacific Ocean.

In 2024, researchers made a groundbreaking discovery in the Pacific Ocean's Clarion-Clipperton Zone, finding that oxygen increased over two days to more than three times the background concentration ...

For all of humanity’s ventures to outer space, we’ve yet to see 99.999% of the deep-sea floor. In the latest subaquatic news, researchers discovered some 4,000 marine species, 88% of which were new ...

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 ...

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.