Deep-sea creatures often look more like science fiction monsters than marine animals. The glass octopus is one such animal.

“A very busy day today at the wildlife rescue center. The most intriguing and unusual animal that came in today was this strange-looking Little Penguin,” the WWO said. “Yes, this bird is white, or the ...

In the cold, lightless Pacific Ocean deep, the seabed is scattered with metal-rich rocks coveted by miners -- and huge numbers of strange and rare animals almost entirely unknown to science.