The deep sea is a dark, cold place. It's just a few degrees above freezing, subject to immense pressure, and beyond the reach ...

Robotic and autonomous underwater vehicles have collected vast quantities of footage from the deep sea, but most of it hasn’t ...

The world's heaviest squid has been caught on video in its natural deep ocean habitat for the first time. Well, a tiny "teenage" specimen of the colossal squid (Mesonychoteuthis hamiltoni) that ...

The deep ocean is home to the largest ecosystem on Earth, but we’ve only explored a tiny portion of it. Despite the enormity of our seas, new species are discovered all the time thanks to ...

Mashable recently visited DEEP's campus — the Bristol-based company building deep sea habitats with the mission to get people to live under water by the end of this decade. We'll take you underwater ...

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 ...

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent ...