Imagine diving into a crystal-clear ocean and suddenly coming face-to-face with a bustling metropolis built not by humans, ...

Beneath the soft bodies of scleractinian, or stony corals, polyps secrete a calcium carbonate skeleton, and it is this skeleton that becomes the foundation of coral reef ecosystems. Coral colonies ...

An underwater investigation of coral bleaching in ... more than a third of the corals in the region might have died, leaving a marine graveyard behind. “The soft corals were just decomposing ...

Acropora corals are also known to harbor Symbiodiniaceae, a family of algae that creates nutrients for the coral by converting sunlight into energy by way of photosynthesis. In exchange ...

soft corals, fire corals, lace corals, brain corals, staghorn corals, sea whips, sea fans, sea grapes, coralline algae, sponges. Taking refuge everywhere in the alleys of the coral city ...

This is a fossilized coral — one of dozens scattered across ... to document how fossil corals are helping scientists predict future sea level rise.

The Coral Triangle is a marine region that spans those parts of Indonesia, Malaysia, Papua New Guinea, the Philippines, the Solomon Islands and Timor-Leste with at least 500 species of reef-building ...

In 2018, a storm prevented us from monitoring the corals; in 2019, the site was hit hard by the deadly stony coral tissue loss disease (SCTLD) outbreak, and we did not witness any spawning activity.

A diver never forgets the first time they encounter a shipwreck. Here, one diver recalls her first up-close experience.

Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues, causing the coral to turn completely white.