In April 2019, a marine heat wave struck a coral reef on the island of Moorea in French Polynesia, killing much of the coral and the beneficial algae that colonized it. This "bleaching" event reduced ...

Coral reefs are teeming with life: they are home to over a third of all marine animal and plant species on Earth, despite covering less than one percent of the ocean floor. However, this immense ...

A recent report on global tipping points warned that coral reefs face widespread dieback and have reached a point from which they cannot recover.

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological ...

Water striders are the only insect that live entirely on the ocean’s surface. By some estimates, insects make up 80 percent of named animal species. They’re found all over the world and in all manner ...

Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

From above, the ocean reveals a breathtaking natural formation—a massive turquoise lagoon surrounded by coral reefs and deep blue water. This stunning circular pattern in the sea highlights the hidden ...

A tiny, yellow-and-orange juvenile warty frogfish rests on a coral-like object in a habitat at Chicago's Shedd Aquarium. A tiny fish is making big waves at Shedd Aquarium as animal caretakers ...

Move over, sharks — another startling kind of sea creature has been spotted at a popular coastal beach this week, raising eyebrows among the locals. While the ocean predators often grab the spotlight, ...

Iran has threatened to set oil and gas infrastructure in the Middle East “on fire” if its energy sites are attacked.

The global illegal trade in wildlife is worth an estimated US$19 billion annually and is the largest crime sector after drugs, counterfeiting and human ...

They feed us, protect us from storms, shape our culture, and quietly support our economy—yet they are disappearing faster than almost any other ecosystem on Earth.