Coral reefs are some of the Earth's most productive ecosystems, but you might've heard today they're under threat from ...

We're currently facing the worst bleaching of coral reefs ever known in history, but what would happen if all the coral reefs died off? We've already lost 50% of the world's coral, and we're at ...

A tragic consequence of global warming is evident in the Great Barrier Reef where much of its beautiful coral is dying off. Scientists have wondered how exactly coral bleaching happens.