It’s an organic gem like a pearl. But instead of residing in a shell, this Hawaii gem grows slowly like a miniature tree deep ...

Groundwater input to coral reefs directly affects water chemistry and triggers a cascade of changes in the coastal ecosystem, ...

The world's biggest coral — an organism made up of about a billion polyps — is about three times bigger than the previous record-holder and was discovered by chance during an expedition off ...

Now oceanic researchers have just discovered the largest single coral organism ever, so big you can even see it from space. More for You. How well do you remember the 1970s?

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

As baby corals float in the currents, they can expand their species’ range. But can they get to climate refuges fast enough ...

Swimming through the shadowy waters off Palau, scuba divers watched life on a coral reef after dark. One reddish sea creature ...

And check-up day is pretty much every day at the zoo. “This is a sloth, and she has a bit of a baby on her,” said Renee Bumpus, Chief Animal Conservation Officer Palm Beach Zoo.

At 112 by 105 feet, this mega coral is longer than a blue whale, Earth’s largest animal. It is so enormous that it can be seen from space—yet it was long hidden from view.