Deep sea News

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Squat lobsters and soft coral in the deep sea.

U.S. federal agency clears ways for deep-sea mining — and companies are lining up

Elizabeth Claire Alberts 8 Jul 2025
A brittle star (Gorgonocephalus sp.), recognizable by its numerous abundantly branched arms, attached to a white coral (Desmophyllum pertusum).

First-ever assessment highlights threats to Atlantic cold-water corals

Keith Anthony Fabro 30 Jun 2025
Rashid Mohamed Rashid

What happens to artisanal fishers when a deep-sea fishing port comes to town?

Anthony Langat 27 Jun 2025
Striped barracuda in Papua New Guinea.

PNG PM Marape rejects deep-sea mining even as provincial authorities try to revive project

Elizabeth Claire Alberts, John Cannon 16 Jun 2025
French President Emmanuel Macron speaks during the High-Level inaugural dinner of the UN Ocean Conference (UNOC).

‘Madness’: World leaders call for deep-sea mining moratorium at UN ocean summit

Elizabeth Claire Alberts 11 Jun 2025
Humpback whales in Western Australia. Image courtesy of Emilie Ledwidge/Ocean Image Bank.

World Oceans Day: Scientists find new clues about frontiers of ocean life

Mongabay.com 6 Jun 2025
Two lithodid crabs exhibiting mating behavior while perched on top of a basaltic rocky outcrop with an anemone (Liponema sp.) and a white sponge in the background.

Only a tiny % of the deep seafloor has ever been visually observed: Study

Edward Carver 30 May 2025

Restoring deep-sea corals after massive oil spill

Juan Maza 30 May 2025
Waziri Mpogo of Tanzania's Mafia Island places sea cucumbers from his ranch in a bucket. Image by Ashoka Mukpo for Mongabay.

Down on the ranch with Mafia Island’s free-range sea cucumbers

Ashoka Mukpo 12 May 2025
A glass octopus, a nearly transparent species whose only visible features are its optic nerve, eyeballs and digestive tract.

The Metals Company applied to the U.S. for a deep-sea mining license

Elizabeth Claire Alberts 30 Apr 2025
Humpback whale (Megaptera novaeangliae).

‘We belong to one ocean’: Indigenous leaders push for seat at the table of high seas biodiversity treaty

Sonam Lama Hyolmo 29 Apr 2025
A squat lobster in the deep sea.

With deep-sea mining plans in limbo, Norwegian companies fold or dig in

Elizabeth Claire Alberts 22 Apr 2025
Banner image of a painted swellshark courtesy of the National Geographic Exploration Technology Lab.

Deep-sea shark recorded on video for first time using low-cost camera

Kristine Sabillo 10 Apr 2025
Banner image of deep-sea corals on the ocean floor via NOAA (Public domain).

Global seabed regulator concerned by mining company’s unilateral actions

Kristine Sabillo 2 Apr 2025

‘Substantial’ transshipment reforms adopted at North Pacific fisheries summit

Edward Carver 31 Mar 2025
Greenpeace activists from New Zealand and Mexico confront TMC’s deep-sea mining vessel, “Hidden Gem,” off the coast of Manzanillo, Mexico, in 2022. Image by © Gustavo Graf / Greenpeace.

Deep-sea miner TMC seeks U.S. approval, potentially bypassing global regulator

Elizabeth Claire Alberts 28 Mar 2025
A northern elephant seal in Año Nuevo Island Reserve.

Seal ‘oceanographers’ reveal fish abundance in Pacific Ocean’s twilight zone

Spoorthy Raman 18 Mar 2025
Film poster for Out of Plain Sight shows a barrel floating in the ocean

500,000 barrels of DDT in the sea: Interview with documentary directors on California coast crisis

Liz Kimbrough 17 Mar 2025
A new species of critically endangered guitar shark was identified off the coast of Tanzania. Image courtesy of The Nippon Foundation-Nekton Ocean Census/Sergey Bogorodsky.

Scientists identify more than 800 new species in global Ocean Census

Shanna Hanbury 11 Mar 2025
Banner image of the underwater Borealis Mud Volcano, courtesy of Jørn Berger-Nyvoll/UiT.

Underwater volcano in Barents Sea reveals diverse marine life, study finds

Kristine Sabillo 3 Feb 2025
Marco Andres Vizcaino Garcia is a top naturalist guide in the Galápagos National Park and its adjacent marine reserve. Image by Erik Hoffner for Mongabay.

As Gálapagos ecotourism booms, top naturalist guide urges sustainability

Erik Hoffner 22 Jan 2025
Narwhal image by Газпром нефть via Wikimedia Commons (CC BY-SA 4.0).

We need a North Pole Marine Reserve to secure a healthy future for Arctic waters (commentary)

Dr. Graeme Chesters 6 Jan 2025
Banner image of a Palau nautilus, courtesy of the Ocean Exploration Trust.

Research vessel E/V Nautilus spots multiple nautiluses for the first time

Kristine Sabillo 12 Dec 2024

Norway kills first round of Arctic deep-sea mining permits amid opposition

Shanna Hanbury 3 Dec 2024
An orca in Skjervøy, Norway.

Norway poised to sail past opposition with deep-sea mining licensing plans

Elizabeth Claire Alberts 7 Oct 2024
Leticia Carvalho

Brazil’s Carvalho to lead seabed-mining authority following predecessor’s controversial term

Elizabeth Claire Alberts 3 Aug 2024

Oxygen made by metal redefines scientific understanding

Bobby Bascomb 24 Jul 2024
Leticia Carvalho

‘Trust needs to be rebuilt’: Interview with candidate to head U.N. seabed-mining authority

Elizabeth Claire Alberts 4 Jul 2024
Wendy Schmidt explores Agog’s website in webXR as Amy Seidenwurm, chief of programs and strategy for Agog, looks on. Credit: Ben Gibbs / Agog

Using immersive media to strengthen support for the environment: An interview with Wendy Schmidt

Rhett Ayers Butler 17 Jun 2024
A type of ophidiiform

Twilight zone fishing: Can we fish the ocean’s mesopelagic layer?

Elizabeth Claire Alberts 15 May 2024
A recovering scleractinian coral reef on Hancock Seamount in the Northwestern Hawaiian Ridge, just inside U.S. waters. Research shows that seafloor ecosystems can undergo some recovery from the effects of bottom fishing if they are protected for 30 to 40 years afterwards. Image courtesy of A. Baco-Taylor and E. B. Roark, National Science Foundation, with Hawaii Undersea Research Laboratory pilots T. Kerby and M. Cremer.

No protection from bottom trawling for seamount chain in northern Pacific

Edward Carver 22 Apr 2024
Deep-sea mining equipment aboard the D/V Chikyu. Image courtesy of JAMSTEC.

Japan prepares to mine its deep seabed by decade’s end

Annelise Giseburt 21 Mar 2024

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