This is called coral bleaching. The International Coral Reef Initiative (ICRI) has confirmed that during the 4th global mass bleaching event between January 2023 to March 30, 2025, bleaching-level ...

Climate change has already caused significant declines in coral reef coverage globally and is expected to do much further ...

Coral bleaching isn’t just an ocean crisis. Here’s how the global event endangers food security, local jobs—and the land ...

These protected areas bring an incredible amount of biodiversity right into the bustling metropolis–including coral reefs.

For people who are not experts, what are the signs of a collapsing reef system? Firstly, less color, because there’s less ...

Groundwater input to coral reefs directly affects water chemistry and triggers a cascade of changes in the coastal ecosystem, ...

Understanding how far Great Barrier Reef corals are from their parents could be key to identifying and protecting at-risk ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that could erode the reef past the point of no return, new research has found ...

Corals that build reefs often share their calcium carbonate skeleton with tiny algae that photosynthesise like plants on land. The coral host gains food, the algae shelter. These algae are also ...

New research indicates reef passes — channels that cut through coral reefs and serve as conduits for ocean water and nutrients — are shaped by island rivers.

ST. JOHN, U.S. Virgin Islands—Thirty-five feet deep in clear turquoise waters, a three-foot-long yellow underwater robot maneuvers over a coral reef at a popular snorkeling site named Tektite ...

KEY BISCAYNE, Fla. (AP) — A team of scientists from the University of Miami, the Florida Aquarium and Tela Marine in Honduras ...