A critical measure of the ocean’s health suggests that the world’s marine systems are in greater peril than scientists had previously realized and that parts of the ocean have already reached ...

The world’s oceans, once thought vast and indestructible, are now showing alarming signs of decline. Recent research from the Potsdam Institute for Climate Impact Research reveals that Earth has ...

Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their ...

MAYOTTE, INDIAN OCEAN - NOVEMBER 2017: Diver from the Mayotte Marine Natural Park carry out a survey on the reef, called REEFCHECK, on November 27, 2017, Mayotte, Comoros archipelago, Indian Ocean.

The ocean is the lifeblood of our planet—producing over half of the world’s oxygen, regulating global temperatures, and supporting millions of species. Yet today, marine ecosystems are under severe ...

Scientists have known for decades that soaring atmospheric carbon dioxide emissions are causing changes in ocean chemistry, threatening marine life and ecosystems. In June 2025, a study found that ...

This adult 5-year-old red abalone has just released its eggs after spawning April 2, 2021. The tiny green dots on the bottom of the container are her eggs. (Isabelle Neylan/UC Davis) Stressful ...

A new study of coral reefs in Papua New Guinea shows ocean acidification simplifies coral structure, making crucial habitat less appealing to certain fish species. A new study of coral reefs in Papua ...

The world's oceans are in trouble. Every day, 22 million tons of carbon dioxide from factories, cars, power plants and other human sources are absorbed by the world's oceans. The result? A frightening ...

Another boundary to protect our planet from further harm appears to have been breached by humans. The planetary boundary in question is ocean acidification, according to Live Science. New findings ...