Researchers are designing a global real-time monitoring system to help save the world's coral reefs from further decline, primarily due to bleaching caused by global warming.

Rangiroa is a laid-back island paradise full of underwater wonders, including abundant sharks. It's the largest coral atoll ...

Time-lapse video shows how a mushroom coral polyp pulses and inflates, flinging its soft body into micro-hops to slowly move itself to a new location.

I live in Cozumel and love snorkeling. I've rounded up the best places to snorkel in Cozumel so you can make the most of your ...

The Largest Living Structure on Earth Imagine something so vast that it's visible even from space—this is the Great Barrier ...