Residual contamination from the Deepwater Horizon Oil Spill is still killing dolphins, sea turtles and other marine life in record numbers. ->

It's one thing to enjoy scuba diving, and it's another to love it so much that you actually go and become a divemaster so the underwater sport can be a part of your regular life. However, it's definitely another level down -- literally and figuratively -- when you become so obsessed with black cora...

The estimate also comes with a price tag for describing all these Earth species, most of which are still unknown: $364 billion.

Corals record flooding events in their skeletons and this last century has had the most since since 1685.

A new marine park would protect the largest humpback whale calving area in the Southern Hemisphere.

The latest work on frozen coral embryos and sperm will preserve staghorn coral from the Great Barrier Reef.

The quake caused landslides on the undersea slopes where the corals grew.

Alive and growing slowly in some of the deepest parts of the ocean, black coral provides a living link to history.