Deep sea News

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159 stories
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
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
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

‘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
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)

Graeme Chesters 6 Jan 2025
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
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
An underwater view of the reef at Layang Layang Atoll in the Spratly Islands, South China Sea. Photo courtesy of Greg Asner / Divephoto.org.

‘High Seas Treaty’ name is inaccurate and should center biodiversity (commentary)

Elizabeth Mendenhall and Fuad Bateh 19 Feb 2024

Annual South Pacific fisheries meeting nets bottom trawling controversy

Edward Carver 8 Feb 2024
A bearded seal in Svalbard.

EU parliament expresses disapproval of Norway’s deep-sea mining plans

Elizabeth Claire Alberts 8 Feb 2024
Tail of sperm whale in Norway

‘Really a sad day’ as Norway votes to allow deep-sea mining in Arctic waters

Elizabeth Claire Alberts 9 Jan 2024

In reversal, Mexico calls for moratorium on international deep-sea mining

Elizabeth Claire Alberts 28 Nov 2023
An area of biodiversity (including corals, crustaceans, urchins, anemones, and more) on Cacho De Coral, a newly discovered pristine coral reef.

Galápagos waters yield massive deepwater corals in latest biodiversity find

Elizabeth Claire Alberts 7 Nov 2023
Coral spawning.

Climate refugees? As the sea warms, corals thrive in Japan’s cool waters

Annelise Giseburt 25 Oct 2023
Sperm whales in the Atlantic Ocean.

Seventy-plus nations sign historic high seas treaty, paving way for ratification

Elizabeth Claire Alberts 22 Sep 2023
A coral reef in southern Pacific.

Hope, but no free pass, as Pacific corals show tolerance to warming oceans

Elizabeth Claire Alberts 30 Aug 2023
Global map of the oceans including elevation. Image courtesy of Esri.

To protect the oceans, we must map them (commentary)

Dawn Wright 10 Aug 2023
Hervé Berville, France’s state secretary for the sea.

‘The deep sea is vital to protect the ocean’: Q&A with France’s Hervé Berville

Elizabeth Claire Alberts 2 Aug 2023

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