Coral Reefs

For only the third time on record, coral bleaching is occurring across the globe and climate change is to blame.

Coral reefs are key to wildlife, and human, survival — and they may yet be saved.

Aquarium enthusiasts and people who work in aquarium stores should be aware that some types of coral produce dangerous toxins.

Deep in the Red Sea, beyond the reach of most scuba divers, coral reefs are putting on a glowing, colorful show, scientists have discovered.

New evidence reveals that the ancient coral tombs of Leluh in Micronesia could be up to 700 years old — much older than previously thought.

Marine ecologist Paul Sikkel discusses his passion for and work with coral reefs and the best ways to protect them.

The deep ocean is home to some truly unusual creatures.

Reef historian Iain McCalman, in Sydney, and reef scientist Stephen Palumbi, in California, are monitoring reef degradation from opposite sides of the planet. They compared notes.

A tenfold increase in protected coral species was announced Wednesday, with 20 new corals added to the threatened species list.