Two new hydrothermal vent fields were recently discovered in the Doldrums Megatransform and Fracture Zone. This large, tectonically active system cuts across the Mid-Atlantic Ridge, which forms the world’s longest mountain chain. Image courtesy…

Sponge garden at a Norwegian seamount, taken during the Greenpeace Deep Arctic Expedition in May 2026. This week: Dive into new research on seamounts in the Pacific and Atlantic Oceans, shifting conditions in Antarctic sediments,…

Join the DOSI and the Deep Ocean ECOP Task Team on Tuesday, 14 July for an interactive session on Policy Briefs covering what they are, how they can be used effectively, and the…

From 8 to 18 June 8–18, 2026, DOSI joined the world’s climate negotiators as they gathered in Bonn, Germany, for the 64th Sessions of the Subsidiary Bodies (SB 64) under the UNFCCC, the…

Dumbo octopus in front of Loki’s Castle hydrothermal vent at 2,300 m, taken during the Greenpeace Deep Arctic Expedition in May 2026. Image courtesy of Greenpeace. This week: Challenges and opportunities for ECOPs, a…

A sponge seen in Papahānaumokuākea during an expedition on Exploration Vessel Nautilus in 2022. Image courtesy of Ocean Exploration Trust.  This week: Sixgill shark aggregations and hidden diversity in glass sponges. Plus, get ready…

This is a new species from the genus Tomopteris, commonly known as gossamer worms. Tomopterids spend their entire lives in the water column, living just below the surface to over 4,000 meters. Little is…