Red starfish, nemertine worms and sea urchins flourish under the Antarctic ice.
It takes weeks underwater to find and film the fascinating animals of the deep.
Suction cup cameras provided the ‘Blue Planet II’ crew with a whole new perspective of a sperm whale family.
Can this eel escape a toxic brine pool death trap at the bottom of the sea?
Sperm whales can dive up to 3,280 feet deep. Meet the underwater cameraman who managed to capture this split-level footage..
Around the first full moon of winter, hundreds of thousands of spider crabs gather to shed their shells.
With an oversized left eye, this deep-sea squid can detect silhouettes of prey swimming above.