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 ...

The word “extinct” still shocks the senses when applied to species that play such vital roles in our ecological and economic landscape. So when NOAA, the National Oceanic and Atmospheric ...

BANGKOK, Thailand — Coral reefs in much of the Pacific Ocean are dying faster than previously thought, according to a study released Wednesday, with the decline driven by climate change, disease and ...

Coral reefs are some of the most productive ecosystems on Earth, supporting incredible biodiversity across the oceans. But today they face threats from multiple directions, including warming oceans, ...

In a lab at the University of Miami, there are tanks of knobby, tan-colored corals from Florida, Honduras and the Cayman Islands. They've been drafted into a sort of coral Olympics, as scientists look ...

ABU DHABI, United Arab Emirates — On a boat off the coast of an island near Abu Dhabi, marine scientist Hamad al-Jailani feels the corals, picked from the reef nursery and packed in a box of seawater, ...

PORT VILA, Vanuatu (AP) — When John Warmington first began diving the reefs outside his home in Vanuatu’s Havannah Harbor a decade ago, the coral rose like a sunken forest — tall stands of staghorns ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

The past three summers have been the worst on record for Florida's coral reefs. To try to restore them, scientists are breeding corals that can... Scientists are using corals from other countries to ...