This animated map from NASA’s Scientific Visualization Studio (SVS) highlights ocean currents at different depths. It’s based on the Estimating the Circulation and Climate of the Ocean (ECCO ...

The ocean is far deeper than most people realize, holding secrets and mysteries that continue to astonish scientists and explorers. Covering more than 70% of the Earth’s surface, the ocean is ...

Glide underwater with CudaJet and make the ocean your playground. Kurt “CyberGuy" Knutsson discusses the redesigned tech that might be your next big thrilling adventure.

It would take nearly 300 years — in the aftermath of the Titanic disaster — before sonar technology began to offer scientists a clearer picture of what lies in the ocean’s depths.

It was jarring to be immersed in “The Bathysphere Book” and Susan Casey’s very different “The Underworld: Journeys to the Depths of the Ocean,” as I was, when OceanGate’s Titan ...

Deep-sea anglerfish near ocean's surface. David Jara Boguna/Condrik Tenerife via Storyful. As Oceanographic reports, past sightings of the fish have included images taken via submarine or pictures ...

Only about 20% of the ocean’s depths has been mapped by humans. Here’s what we do — and don’t — know about the deep seas and why studying them is so precarious.