Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It’s easy to imagine the ...

The most transformative deep sea finding in a generation is not a single strange animal or a record-breaking trench, but proof that the abyss is a vast, living engine that rewrites what I think life ...

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 ...

As the race to explore the world's oceans intensifies, scientists are turning to powerful new battery technologies to overcome one of deep-sea exploration's greatest challenges: how to keep underwater ...

In Earth’s deepest waters, survival depends on aggression, stealth, and biology built for killing in darkness. This video ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 ...

Scientists announced a new expedition to study the potential origin of ‘dark oxygen’ rising from the abyss, a recent ...

Prelude -- PART 1. EXPLORE. Here is the deep -- The whale and the worm -- Caught in a jelly web -- In a chemical world -- Highs and lows -- PART 2. DEPEND. Deep matters -- Deep cures -- PART 3.