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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
A whale shark in Ningaloo Reef, Western Australia.

Annual ocean conference raises $11.3b in pledges for marine conservation

Elizabeth Claire Alberts 19 Apr 2024
Guna homes on the coastline of Gardi Sugdub Island.

Panama delays promised relocation of sinking island community

Aimee Gabay 17 Apr 2024
Sargassum in Villa Clara province, Cuba.

Caribbean startups are turning excess seaweed into an agroecology solution

Marlowe Starling 16 Apr 2024
Fluorescing and bleached reef in New Caledonia in 2016.

Global coral bleaching now underway looks set to be largest on record

Elizabeth Claire Alberts 16 Apr 2024
A brooding squid (Gonatus onyx) and her egg sack.

Deep-sea mining’s future still murky as negotiations end on mixed note

Elizabeth Claire Alberts 2 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
The helmet jellyfish (Periphylla periphylla) collected with a remotely operated vehicle in the North Pacific Ocean.

Communities worry anew as PNG revives seabed mining plans

John Cannon 20 Mar 2024
Humpback whales.

Huge new no-fishing zones give Antarctic marine predators and their prey a break

Elizabeth Claire Alberts 14 Mar 2024

Fears of marine disaster loom after fertilizer-laden ship sinks in Red Sea

Elizabeth Claire Alberts 5 Mar 2024

‘Corals dying’ as yet more bleaching hits heat-stressed Great Barrier Reef

Elizabeth Claire Alberts 5 Mar 2024
Jonathan Mesulam

PNG communities resist seabed mining: Interview with activist Jonathan Mesulam

John Cannon 1 Mar 2024
A whale shark with remoras.

Summit on migratory species sides with science, throws shade on deep-sea mining

Elizabeth Claire Alberts 23 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
Koraï divers prepare to install a frame housing young hard corals in the protected waters of Antsoha Island, off northwestern Madagascar.

From exporting coral to restoring reefs, a Madagascar startup rethinks business

Valisoa Rasolofomboahangy 6 Feb 2024
Workers at a mangrove nursery in Dam, a coastal town in Pakistan's Balochistan province. Image by Ayaz Khan for Mongabay.

Pakistan bucks global trend with 30-year mangrove expansion

Ayaz Khan 5 Feb 2024
Tuna and bycatch on a purse seiner in East Pacific Ocean.

Critics push for more transparency at RFMOs that govern high seas fishing

Edward Carver 31 Jan 2024
A lemon shark in the mangroves in the Bahamas.

Ocean heating breaks record, again, with disastrous outcomes for the planet

Elizabeth Claire Alberts 30 Jan 2024
An aerial view of the Palau archipelago.

Palau is the first nation to ratify treaty to protect high seas

Elizabeth Claire Alberts 29 Jan 2024

How much carbon does ocean trawling put into the atmosphere?

Elizabeth Claire Alberts 19 Jan 2024
A coral reef and its residents in the Galapagos Islands, Ecuador. Image ©Greg Asner/divephoto.org.

2023’s top ocean news stories (commentary)

Ana Spalding, David Obura, Diva Amon, Minna Epps, Rhett Bennett, U. Rashid Sumaila 16 Jan 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
A 50m fishing trawler off the coast of Ghana, patches of rust on its blue hull, a small grey inflatable with US and Ghanaian marines coming up astern. Image by Jeff Atherton/US Navy via Flickr (CC BY-ND 2.0)

Fisheries observer turns up dead in latest incident in Ghana waters

Awudu Salami Sulemana Yoda 28 Dec 2023
One of the six newly described chameleons from Tanzania

Photos: Top species discoveries from 2023

Liz Kimbrough 27 Dec 2023
A Java stingaree

Farewell, Java stingaree: Scientists declare the first marine fish extinction

Jeremy Hance 22 Dec 2023

U.S. auctions off endangered whale habitat for oil and gas drilling

Elizabeth Claire Alberts 21 Dec 2023
An Indigenous person in a boat.

Vast new MPAs are PNG’s first to be co-managed by Indigenous communities

Ian Morse 14 Dec 2023
Sunrise over mangroves in Australia.

Did the tides turn for oceans at COP28? Climate summit draws mixed reviews

Elizabeth Claire Alberts 14 Dec 2023
Fishers in San Agapito barangay on Verde Island in Batangas province prepare their nets in September.

Philippines oil spill may reverberate long after cleanup declared complete

Jewel S. Cabrera 13 Dec 2023
Mona Webber pointing at a mangrove restoration site on Norman Manly Highway.

Jamaica battles relentless plastic pollution in quest to restore mangroves

Elizabeth Claire Alberts 21 Nov 2023
A phytoplankton bloom in the Baltic Sea captured by Copernicus Sentinel-2 mission.

Is ocean iron fertilization back from the dead as a CO₂ removal tool?

Jeremy Hance 14 Nov 2023

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