Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Marine researchers on a mission to record life hidden in the world's oceans have reported they found about 100 potential new species - including one mystery starlike creature. The expedition team ...

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.

Researchers inside a deep-sea vehicle collected sea cucumbers from the seafloor, then discovered two new species. Jong Marshes via Unsplash Off the western coast of Australia, the Wallaby-Zenith ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

We’re all familiar with La Jolla’s sea lions, harbor seals, orcas, garibaldi and seabirds. But in this new series of stories called Species of the Month, the Light will shed light on other, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Marine researchers ...