Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest life forms thrive. These deep-sea creatures have evolved in total darkness ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, ...

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 ...

The ocean is full of some incredibly odd creatures. It feels like the further you go down, the stranger and more alien-like they become. With so many interesting creatures, it makes you wonder, what ...

Bone-eating zombie worms vanished from Pacific canyons during a 10-year study, raising concerns that oxygen loss is altering ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

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.