Even if you’ve never gone scuba diving or peered into a tropical tank at your local aquarium, you know that coral reefs are the ocean’s art show. They’re all bright, colorful and full of life — right?

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 ...

Corals live in oceans around the world—in shallow, warm waters and deep, cool waters, clinging to seamounts or sitting on continental shelves. They also grow in the home aquariums of countless ...

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 ...

From our collaborating partner “Living on Earth,” public radio’s environmental news magazine, an interview by producer Aynsley O’Neill with Steve Palumbi, Stanford University professor of biology and ...

Coral bleaching isn’t just an ocean crisis. Here’s how the global event endangers food security, local jobs—and the land itself. Sea water divides the sunset and a ghost land of corals in New Ireland, ...