A researcher made the discovery when a larva comb jelly mysteriously "replaced" an adult comb jelly in his laboratory.

“Only recently have cameras become capable of filming bioluminescence in high-resolution and in full color,” Haddock added.

In the depths of the ocean, a creature called the Monorhaphis chuni sponge is challenging our understanding of longevity.

They are often considered some of the most bizarre creatures in the deep sea and are believed to be one of humanity's most ancient ancestors. In the new study, published Oct. 7 in the journal ...

The images indicated that, similar to dolphins and whales, thallatosuchians evolved smaller braincase sinuses as they ...

Found off New Zealand, the species adds crucial knowledge about this little-known and odd-looking group of deep-sea fish ...

Tubeworm larvae, sea snails, and marine worms were uncovered living in tiny caves underneath the ocean floor, revealing life is interconnected below and above it.

Deep off the Pacific coast of Costa Rica and Mexico, fallen wood provides a home and food to three new species. Abdullah Ali via Unsplash When a tree falls along the coastline or driftwood flows ...

The Schmidt Ocean Institute shared footage from it's Chile Margin expedition on Instagram that shows a sparkling deep-sea ...

"In an environment where food is scarce, where there is nowhere to hide, and where the predators are probably faster than you are, most animals must find new ways to protect themselves." When you ...