Abyssal Signal
Section

Deep Sea Exploration Journal

Stories from human dives, robotic submersibles, and the equipment that maps the abyss.

Silhouette of a large cephalopod in dark water
Deep Sea Exploration Journal

First Video of the Giant Squid: How a Cryptic Cephalopod Was Finally Filmed

The decade-long effort that put a live Architeuthis on camera in its own habitat

7 min read
Research submersible on deck of ship
Deep Sea Exploration Journal

Thirty Years of Shinkai 6500: A Working Submersible's Scientific Legacy

How Japan's flagship crewed vehicle has shaped deep-sea research since 1990

6 min read
Deep-sea submersible near shipwreck
Deep Sea Exploration Journal

From Titanic to Trenches: How a Wreck Reshaped Deep-Sea Exploration

The technologies developed to find one ship transformed an entire field

6 min read
Small crewed submersible descending into deep blue water toward the abyss
Deep Sea Exploration Journal

Solo to the Bottom: Individual Descents into the Mariana Trench

How a new generation of purpose-built submersibles reaches Challenger Deep repeatedly

7 min read