Cozumel Island, Mexico — Descending into the clear blue water of the Colombia Reef, off Cozumel in Mexico, there are two ways to look at what greets you. One is as a fantastic, calming world of peace ...

For reef-building corals, sponges do not make good neighbors. Aggressive competitors for space, sponges use toxins, mucus, shading, and smothering to kill adjacent coral colonies and then grow on ...

Coral reefs live in some of the most nutrient deficient waters on the planet, so how do they survive? Marine biologists have discovered that certain sponges could be the key to reef survival. They ...

You might have seen incredible images of coral before, but you've never seen anything like this. PhD student Daniel Stoupin from the University of Queensland, Australia has spent months photographing ...