Scientific works
CNN praises Vietnam's 'Underground City': One of the most fascinating in the world!
Vietnam's Cu Chi Tunnels make the list.
Underground
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Articles about Underground
472 published items.
New technology
China builds an unbeatable 'super machine': Weighing 1900 tons, it can dig 350 meters underground in just one month.
Weighing in at 1,900 tons, measuring 230 meters in length and with a diameter of up to 9.03 meters, this tunnel boring machine is a testament to the ' might' of China's…
Archeology
A 10 million square meter underground city has been revealed beneath a famous ancient castle.
Beneath the historic foundations of the ancient Zerzevan castle in Diyarbakir province – southeastern Türkiye – scientists have discovered an incredible settlement.
Scientific works
A 2,280km artificial river project in the Sahara Desert.
Spanning 2,820 km, the network of pipelines and channels belonging to the Giant River project is often described as the world's largest underground water system.
Environment
Conclusion of the case of a well on a hilltop that spontaneously gushes water dozens of meters high in Kon Tum
The well that spewed water tens of meters high in Gia Lai may have reached the depth of an air pocket.
Space science
Unexpected discovery on moon of 'potentially habitable' planet
If signs of Pluto's underground ocean have some scientists hopeful of life, the underground ocean in its moon Charon is a paradoxical hell.
Discover science
Why do some cicadas only emerge once every 17 years?
Cicadas, beetles with distinctive chirping sounds, are often associated with hot summer days.
Archeology
Ancient animal fossils discovered in cave in Ha Long Bay
This is a mammal, estimated to be over 1 meter long, and is about 10,000 years old.
Environment
Stunned by the flora and fauna inside the world's deepest sinkhole
From a disaster to a wonder of the world - Xiaozhai Tiankeng (Chongqing, China) is famous for its depth of 662m.
Discover science
Why is 'China's smallest mountain' only 0.6m high but no one dares to climb it?
There are mountains that are not what people imagine. They are not as tall or as majestic as we imagine.
1001 mystery
The Mystery of the Hopi Myths
The Hopi are Native American Indians who have countless mysterious stories and unexpected predictions for the future.
Discover science
We face 'life source from hell' every day without knowing it?
Research just published in Nature Geoscience shows the incredible way Earth managed to become a planet rich in life.
Scientific works
The Great Underground Constructions of the Ancient World
Hundreds, even thousands of years ago, when there was no modern equipment, people built spectacular underground structures.
Discover science
The truth about the discovery of an underground city of 'reptilians' in Los Angeles
In 1934, G. Warren Shufelt told the Los Angeles Times that he had discovered the remains of an ancient reptilian civilization beneath Los Angeles, USA.