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Emma Johnston. Photo by The University of New South Wales

Emma Johnston, a marine ecologist with institutional reach, has died at 52

Rhett Ayers Butler 31 Dec 2025
Scalloped hammerhead sharks (Sphyrna lewini), photographed in Yonaguni, Japan.

Top ocean news stories of 2025 (commentary)

Alfredo Giron, Ana Spalding, Erin Skoczylas, Vanessa Constant 24 Dec 2025

As Cyclone Ditwah battered land, Sri Lanka’s oceans absorbed a silent shock

Malaka Rodrigo 23 Dec 2025
Vermillion rockfish and soft coral observed during an expedition in Channel Islands National Marine Sanctuary.

Century-old corals reveal the Pacific Northwest is acidifying faster than expected

Elizabeth Fitt 22 Dec 2025
A sewage outlet in Bangkok.

Marine heat waves and raw sewage combine to put human health at risk

Sean Mowbray 18 Dec 2025
Atlantic blue tang surgeonfish (Acanthurus coeruleus). Photo by Sylfred1977 / Wikimedia Commons

New underwater acoustic camera identifies individual fish sounds, helping track threatened species

Kaia Glickman 9 Dec 2025
The resulting piles of plastic after beach clean-up volunteers sifted microplastics from water and sand in Kailua Bay, a few miles south Kāneʻohe Bay, Oʻahu. Image courtesy of: Ken G Kosada/Lethal Lens Photography.

Another threat to reefs: Microplastic chemicals may harm coral reproduction

Kari Goodbar 5 Dec 2025

The roughed-up roughy fish (cartoon)

Rohan Chakravarty 26 Nov 2025

Offshore fossil fuel exploration jeopardizes Brazil’s climate leadership, study says

Lucas Berti 18 Nov 2025
A coral grouper in a Mozambique coral reef.

Construction of TotalEnergies pipeline cuts through coral reefs in Mozambique

Victoria Schneider 18 Nov 2025
Corals and fish in Lighthouse Reef atoll, Belize.

Are Belize’s fisheries policies delivering?

Rhett Ayers Butler 17 Nov 2025
Gayatri Reksodihardjo-Lilley. Photo by Surya Risuana.

Gayatri Reksodihardjo-Lilley, who helped Indonesian communities restore their reefs, has died

Rhett Ayers Butler 16 Nov 2025

Researchers define the importance of the ‘circular seabird economy’

Bobby Bascomb 6 Nov 2025

Scientists call for stronger action to save Indonesia’s vanishing seagrass meadows

Basten Gokkon 5 Nov 2025
Corals and fish in Lighthouse Reef atoll, Belize.

Belize’s blue reputation vs. reef reality: Marine conservation wins, and what’s missing (commentary)

Rhett Ayers Butler 31 Oct 2025
A turkey moray in a coral reef in Mauritius.

In Mauritius, an NGO is tracking the sex life of corals to save them

Malavika Vyawahare 30 Oct 2025

Mauritius rethinks coral restoration as reefs suffer from another mass bleaching

Malavika Vyawahare 30 Oct 2025

Unique diving paradise threatened by mine reopening

Juan Maza 18 Oct 2025

Losing Nemo: In the Red Sea, clownfish vanish as anemones bleach

Liz Kimbrough 14 Oct 2025

Five crucial Earth systems near a tipping point: Report

Bobby Bascomb 14 Oct 2025

Philippines protects coral hotspot

Shreya Dasgupta 7 Oct 2025

Indonesia eyes seagrass zoning for blue carbon; experts urge community benefits

Basten Gokkon 7 Oct 2025

Removing rats helps revive forests, birds & coral in the Marshall Islands

Bobby Bascomb 3 Oct 2025
Prochlorococcus marinus, a globally significant marine cyanobacterium. Image by Luke Thompson from Chisholm Lab and Nikki Watson from Whitehead, MIT, 2007, via Flickr (Public domain).

New conservation panel to focus on microorganisms crucial for human and planet health

Shreya Dasgupta 2 Oct 2025

Study spotlights West Papua habitat as whale sharks face increased pressures

Basten Gokkon 28 Sep 2025

Panama upwelling fails in 2025, threatening marine ecosystems

Bobby Bascomb 19 Sep 2025
Leonoras reef in Klein Bonaire. Image by EdFladung via Flickr (CC BY-ND 2.0).

Most Caribbean coral reefs to stop growing by 2040, study warns

Shreya Dasgupta 19 Sep 2025
A transitional zebra shark in the Pacific Visions exhibit at the Aquarium of the Pacific in California.

Pet sharks have become cool, but is owning them ethical?

Hallie Lieberman 18 Sep 2025

Indonesia reopens Raja Ampat nickel mine despite reef damage concerns

Hans Nicholas Jong 12 Sep 2025
Marine life off Panaon Island in the Philippines. Image courtesy of Oceana/Danny Ocampo.

Philippines protects huge coral hotspot off the coast of Panaon Island

Shanna Hanbury 3 Sep 2025
Black grouper at Palancar Reef, Cozumel, Mexico.

Cruise industry expansion collides with Cozumel’s coral reef

Fritz Pinnow 30 Aug 2025
A school of barracuda in the Solomon Islands, a small island developing state in the Pacific Ocean.

Climate change is driving fish stocks from countries’ waters to the high seas: Study

Edward Carver 29 Aug 2025

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