Oceanography
Amazing facts about the Challenger Deep, the deepest place on Earth
Just as the Earth's land surface has huge peaks and valleys, the ocean world has similarly varied terrain.
Trench
Browse ScienceInfo articles and explainers related to Trench.
Topic archive
Articles about Trench
68 published items.
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…
Environment
Top 5 mysterious places on Earth waiting to be discovered by humans
Today, advances in technology have helped humans explore the most remote places on Earth.
Oceanography
Creatures that can survive in a place with pressure equivalent to 48 jet planes
Despite living in harsh environmental conditions such as the deepest ocean trench, these creatures still thrive.
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.
Videos
Encountered a strange squid that looks like an alien creature
A giant spinner squid, also known as the Magnapinna squid and believed to be the deepest-living squid in the ocean.
Health
Cancer-causing microplastics appear in men's testicles
Microplastics have been found in Mount Everest, the deep Mariana Trench of the Pacific Ocean and now in men's testicular tissue.
Oceanography
Extremely rare footage of fish living at a record depth of 6,100m under the sea floor
Camera traps have captured several fish species that have adapted to a record depth of more than 6,100 meters on the ocean floor in waters off Australia.
Oceanography
The first human-carrying ship to descend to the bottom of the Atacama Trench, 8,000m deep
The high-pressure submarine took two experts to explore the deepest trench in the Eastern Pacific and observe a rich variety of marine life.
Oceanography
Discovered the largest fin squid in the world
The newly discovered large-fin squid swam above the seabed at depths thousands of meters greater than the old record.
Discover science
Detected mercury pollution in the deepest part of the ocean
Chinese submersibles discovered large amounts of mercury accumulated in the deepest parts of the ocean, including the Mariana Trench.
Discover science
How do we measure the deepest places on Earth?
How does science determine this is the deepest point on the Earth, as well as measuring the depth there?
Oceanography
10 things you probably didn't know about the deepest ocean in the world
With outstanding scientific advances, it is hoped that in the near future, humans can solve all the mysteries of the hadal sea.
Oceanography
Detect tremors in the deepest ocean
The researchers said they were shocked by the unprecedentedly high levels of microscopic plastic found on the ocean floor, with 1.9 million pieces in just 1m2.
Archeology
Unexpectedly unearthing the defensive belt with 10,000 land pits
A large strip of land with a series of trenches and holes used to prevent enemy encroachments was built more than 1,600 years ago.