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

Astonishingly, the ocean teems with brainless creatures that thrive using instinct and nerve networks. Jellyfish, sea sponges, starfish, sea cucumbers ...

Whatever the evolutionary advantage, animals' color is inextricably intertwined with their environment, be it the bright birds of the rainforest or the dull silver fish of the deep sea. And the ...

Tropical reefs might look like inanimate rock, but these colorful seascapes are built by tiny jellyfish-like animals called corals. While adult corals build solid structures that are firmly attached ...

It’s the biggest known animal of its kind. Skip to main content. The homepage. Vox logo. Explainers; ... Close-up views reveal all kinds of sea life growing on and around the coral.

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

Researchers have discovered a giant coral colony on the north-western coast of Saudi Arabia, in a part of the Red Sea that is being developed as a luxury tourist resort.

The urchin is just eating, as all animals do, but it’s also creating space for the coral to grow. With a little help, both creatures may one day be part of a wild reef with habitats for a ...