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 skin care like a cetacean, you’re going to need corals, sponges and the ability to hold your breath for a long time. By Carolyn Wilke In the Red Sea off the coast of Egypt, bottlenose dolphins ...

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 ...

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 ...