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.

Are you debating between Costa Rica vs. Honduras for your next vacation? Both of these Central American gems boast stunning ...