On occasion, it is of vital importance to consider how little we know about the spinning rock we all live on. Take coral reefs, for example. Given how much they've been studied, you'd think we've ...

When we think of the ocean, what often comes to mind are familiar sights– coral reefs, fishing boats, and waves breaking ...

Soft coral species in the deep sea exhibit bioluminescence, which researchers studied using remote-controlled underwater rovers. Many animals can glow in the dark. Fireflies famously blink on ...

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 ...

It is the first-ever black coral able to live in such warm waters. Chimienti said it was particularly exciting to discover a new species in the 21st century, which shows "there are still animal ...

Coral reefs all over the world are in serious danger. However, a critical way to keep reefs healthy likely comes from a lowly animal, some of whom spray goo out of their butts in self-defense ...

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.

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 ...