History
The birth of the world's first deep-sea submersible
Bathysphere, a submersible launched nearly 100 years ago, helps realize scientists' desire to directly observe deep-sea creatures.
Science topic
Deep Sea
Descend into the deep ocean to explore trenches, hydrothermal vents, unusual life and the technology used for deep-sea exploration.
deep seahydrothermal ventdeep oceanocean trench
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Essential guides to Deep Sea
Begin with clear explanations of the key ideas, discoveries and questions in this subject.
Explore the deep sea by Cyclops submersible
Humans are about to reach a new depth at the bottom of the ocean, with the arrival of the Cyclops submersible with a range of 3,000 meters in the sea.
'Mysterious creature' in Vietnam's deep sea identified as a new species by scientists
(Fatherland) - A new species of creature in Vietnam has attracted the attention of scientists.
Wolffish - 'Deep Sea Monster' Friendly to Humans
Wolffish have the appearance and face of animals from horror movies, but what few people expect is that they are extremely friendly to humans.
Discovering the 'flying spaghetti monster' and many strange species in the deep sea
An international research team has discovered more than 50 new species during a deep-sea expedition off the coast of Chile, including
Explore Baia - the ancient Roman city sunk deep under the sea for more than 500 years
Once the most luxurious place at that time, what remains of the city of Baia is now tucked away at the bottom of the deep ocean.
Latest
Latest Deep Sea articles
Read recent ScienceInfo stories and explainers about Deep Sea.
Oceanography
How deep is the ocean?
The average depth of the ocean is about 3,700m. The deepest point in the ocean known today is Challenger Deep in the Mariana Trench with a depth of about 10,935m (nearly…
Oceanography
Scientists puzzled by mysterious 'golden egg' found at the bottom of the deep sea, unclear what this object is
According to researchers, in the context that two-thirds of life forms in the deep oceans are not fully understood by humans, this latest discovery could mark an excitin…
Oceanography
Decoding the mysterious sounds from the world's deepest ocean trench
New research reveals the exact origin of a mysterious biotwang in the Pacific Ocean, first detected near the Mariana Trench.
Oceanography
Extremely rare transparent 'snail fish' found in the deep sea
Fish possess a special body structure, which helps them to camouflage themselves, and effectively survive in the deep sea.
Oceanography
What has helped fishes withstand tremendous water pressure up to thousands of tons in the deep sea?
Why are some creatures able to survive thousands of meters deep, where there is terrible water pressure and extremely harsh habitats?
Oceanography
The truth about the giant shark that dominated the deep sea for more than 20 million years
The largest known shark on Earth, Otodus megalodon, has dominated the seas for more than 20 million years.
Oceanography
Why are deep-sea animals often huge in size?
Many large deep-sea animals outnumber their relatives elsewhere, perhaps for environmental reasons or for survival purposes.
Oceanography
Rare footage of newly identified deep-sea jellyfish
The Monterey Bay Aquarium Research Institute announced the discovery of an unusual species of crown jellyfish in the genus Atolla.
More to explore
More about Deep Sea
Continue with more articles, discoveries and explanations from this subject.
New technology
Titanium robot can work in the deep sea 6,000m
The Benthic Rover II robot is made from wear-resistant, good-pressure-resistant materials, and uses low-battery devices to operate continuously for a year.
Oceanography
Amazing facts about deep sea creatures
If you've ever visited an aquarium or watched a David Attenborough show, you know that the ocean is filled with strange and mystical creatures that seem to have come fro…
Oceanography
Discover extremely rare purple deep sea creatures drifting off Australia's coastline
A woman walks on the beach south of Sydney, Australia, to her astonishment when a strange purple creature is washed ashore.
Oceanography
Strange 'footprint' in the deep sea
The scientists discovered giant, footprint-shaped tracks on the bottom of the Pacific Ocean, the area between Mexico and Hawaii.
Oceanography
The 70cm deep sea swallowed the fish in the aquarium
The wrinkled sea worm takes only a few minutes to swallow the sardines that fall to the bottom of the aquarium in Nagoya, Japan.
Oceanography
Mysterious deep-sea shark older than dinosaurs
Researchers have captured the mysterious cow shark through a seabed video camera.
Oceanography
Deep sea monster with strange sharp teeth throughout
A seabed predator known as deep sea arowana has developed a unique adaptation to compensate for its relatively small size.
Oceanography
Discover many strange 'alien creatures' in the deep sea
The creatures that detect deep seabed off Australia provide a whole new perspective on the evolution of marine species.
Oceanography
Giant bugs tear the 2,000-meter-deep sea crocodile
Big football-like footbills are caught gobbling up the crocodile's body until it can't move.
1001 mystery
Deep sea objects reveal civilization 14,000 years ago?
According to Expresss, in 2011, Sweden's undersea treasure hunters accidentally discovered a large round object.
Oceanography
Discovering an extremely rare maternity hospital in the deep sea of thousands of octopus
This is also the largest octopus hatchery in the world on a first discovered undersea volcano.
Oceanography
Close-up of octopus ghosts super rare in the deep sea floor
A ghostly octopus is seen recently in deep waters off the California coast.