Researchers are trying to restore long-spined sea urchins, which eat algae that could otherwise smother reef ecosystems and kill corals.

New research clarifies why some endangered green turtles in Brazil develop a tumor disease associated with a herpesvirus.

New technology could significantly improve oil spill cleanup capabilities compared with current methods.

The system could be used for battery-free underwater communication across kilometer-scale distances, to aid monitoring of climate and coastal change.

A new way to preserve coral, called "cryopreservation," opens a path to year-round sample collection, critical for managing ocean threats.

Japan’s much-criticised plan to release wastewater from Fukushima into the Pacific is underway – and many are concerned.

Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

Thousands of pearl octopuses were discovered in 2018 lining thermal vents near a deep-sea volcano. Researchers now know why octopus moms gather there.

New research shows that relatively large microplastic particles can make their way into the body tissues of marine mammals.

This may buy us time, but many reefs are still doomed without serious action on climate change.