We’re all taught that water is clear, so why does the ocean look so strikingly blue when we’re staring out at it? It turns ...

The blobfish is another one of the deep blue sea's strangest fish. Its appearance gives off one similar to — you guessed it — a blob, and it is often found at the bottom of the ocean.

Take a deep dive into the ocean’s secrets. ExtremeTech reveals its hidden layers and life forms. Discover the depths of our planet today.

Here is what you need to know about the largest ocean, plus other facts about the deep blue sea. ... according to National Ocean Service. This ocean basin makes up 20% of the Earth’s surface. ...

The deepest point under water, the Challenger Deep in the Pacific Ocean, is 11,000 metres deep, more than the height of Mount Everest. The light doesn’t penetrate to such depths.

The ocean is nearly 7 miles deep. ... Even this wreck doesn't come close to the deepest-crewed mission that reached 35,839 feet in 2019. ... Blue whales can dive to depths of more than 1,600 feet.

The deep-sea Dumbo octopus was spotted a mile below the surface of the Pacific Ocean, close by an unnamed seamount in the Papahānaumokuākea Marine National Monument.

Deep in the darkest, coldest regions of the ocean live some of this planet’s most unique creatures. They inhabit a world unlike any other on Earth and are adapted to survive in extreme ...