In the ocean's twilight zone, where the reach of the Sun fades to nothing, an epic migration begins every time night falls. It could also have an outsized effect on our climate.

Scientists have discovered that deep-sea mining plumes can strip vital nutrition from the ocean’s twilight zone, replacing natural food with nutrient-poor sediment. The resulting “junk food” effect ...

You think you know what "cute" looks like? Prepare to have your understanding shattered. Because lurking in one of the ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

These real-life ocean animals were so terrifying to seafarers that they became embedded in history as legendary sea monsters ...

The ocean’s hiding some deep secrets. An oceanic expedition off Brazil has discovered 31 otherworldly new critters, including ghostly invertebrates, animals living inside their own bodily fluids and ...

Scientists exploring one of Earth's least-understood ecosystems identified dozens of previously unknown species, including glowing jellyfish ROV SuBastian / Schmidt Ocean Institute Scientists ...

Detached sea cucumber tissue was found to survive and keep regenerating for years in ordinary seawater. The discovery highlights a remarkable regenerative ability that could help scientists better ...

Marine biologist Alan Jamieson had given up on seeing a goblin shark in its underwater home. After all, they live thousands of feet underwater in total darkness and since being discovered over 100 ...

Marine biologist Alan Jamieson had given up on seeing a goblin shark in its underwater home. After all, they live thousands of feet underwater in total darkness and since being discovered over 100 ...

A 5.3-million-year-old deep-sea whale necropolis in the Diamantina Zone A deep-sea submersible unexpectedly discovered whale bones and ancient fossils on the ocean floor, concentrated in a deep groove ...

It's the oldest, largest, and deepest graveyard of whale falls ever found—and it's been feeding life for millions of years. Reading time 4 minutes Marine scientists this week have announced a ...