A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.

In The Nature of Things ... in their dark homes, without any predators to worry about. Bowhead Whale and the Greenland Shark: Cold is key When it comes to finding the oldest living animals ...

If you’ve ever ventured beneath the surface in a submarine, you can sometimes catch glimpses of ghostly flickers looming against the dark backdrop ... winter living in the deep sea.