To survive the deep ocean, sea creatures have all kinds of adaptations that give them alien-like appearances, such as huge eyes and needle-like teeth.

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

Uncover 25 bizarre deep-sea creatures that defy explanation. See alien life forms like anglerfish and goblin sharks thriving ...

Discover 16 fascinating facts about deep-sea creatures and how they survive, from the anglerfish to the transparent barreleye ...

Singapore: This bizarre-looking 'alien' creature was caught by a deep sea fisherman in Singapore. Ong Han Boon, 54, was at his favourite fishing spot on the island of Sentosa where he cast his line ...

One of the coolest parts about the ocean is how diverse its ecosystem is. With so many different animals, it feels like new species are discovered every day. One little known marine animal is the sea ...

The ocean is full of animals that look like they came straight from a sci-fi movie, and sea salps may be among the strangest of them all. Although people often mistake sea salps for jellyfish, they're ...

The expansive, abyssal darkness of the deep sea mirrors the mystique and grandeur of outer space. Hauntingly bioluminescent ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sea urchins have a body that is entirely made up of "head"—with a ...

Add Yahoo as a preferred source to see more of our stories on Google. Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet ...