Down in the midnight zone, where light fades to nothing, a single breath becomes a long commitment. Sperm whales slip beneath the surface and vanish into cold pressure that would crush most animals.

The deep sea is home to many different animals, some of which you may have never heard of before. One example is the dragonfish, which has an otherworldly appearance. This YouTube video by MBARI ...

This video shows a sperm whale (Physeter macrocephalus) swimming beneath the ocean surface in deep blue water. The whale is ...

Darkness dominates most of the ocean. Sunlight fades quickly as you descend, and by the time you reach the deep sea, natural light disappears entirely. Yet the ocean is far from black. Many marine ...

The Stargazer fish, known for its creepy face and deadly ambush tactics, has electric organs capable of delivering up to 50 volts.

When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to meet her.

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth. If you were to drop a camera into one of Earth’s ...

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 ...

Dive beneath the surface of ancient seas and you’ll find a world teeming with giant reptiles, armour-plated fish and predators with jaws wide enough to swallow you whole.

Add Yahoo as a preferred source to see more of our stories on Google. Performing vertical migration is the essential process required for nocturnal feeding. The ocean is home to some of the creepiest ...

When we think of marine life, we usually picture colourful coral reefs or dense seaweed forests filled with fish and other ...