Space science
What Is the Nearest Exoplanet to Earth?
Proxima Centauri b is the nearest confirmed exoplanet to Earth known today, orbiting Proxima Centauri a little more than four light-years from our solar system.
FOUR
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Articles about FOUR
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History
14 of the most powerful armies in ancient world history.
In this Top 14, besides the very famous names like Sparta or Rome, four of them—Mongolia, Xiongnu, Han, and the Tang Dynasty army—are all from China.
Archeology
Wang Zhaojun's appearance has been restored to its original state, leaving netizens shocked and unable to believe their eyes.
What did one of the four great beauties of China, known for her breathtaking beauty, actually look like?
Space science
How will evidence of 4-dimensional space affect our real world?
In the past, humans have always pursued the mysteries of science and tried to explain the nature of the universe.
Archeology
The secret behind four 1,900-year-old Roman swords found in a cave in Israel
The swords are believed to be spoils of war from the Roman army associated with the Bar Kochba revolt of Jews against Roman rule in Judea.
Space science
Jupiter is a gas planet, so if a person stood on the surface of Jupiter, would he fall straight into the core?
Jupiter's atmosphere is divided into four layers: the troposphere, stratosphere, thermosphere, and exosphere. Each layer has its own function and role in Jupiter's activ…
Discover science
What would happen if humans entered 4-dimensional space?
Humans entering 4-dimensional space is a fascinating science fiction topic, but also contains many mysteries and challenges.
1001 mystery
Mysterious Russian radio signal that has been transmitted for 40 years has left scientists baffled
For more than four decades, a mysterious radio signal emanating from Russia has been challenging scientists and the international community.
Animal world
Dog breed known as 'four great war dogs' and the nemesis of wolves
The Kangal is a breed of hunting dog that originated during the reign of the Assyrian king Ashurbanipal.
Animal world
The mystery of the king cobra is solved after 188 years
Research from the specimens identified four new species of king cobras instead of just one as previously.
Oceanography
Four new species appear as 'hybrids' of extraterrestrial creatures
The deep waters of the Pacific Ocean have revealed four new species belonging to a family that scientists suspect is
Discover science
Why do pilots and flight attendants always wear different seat belts than passengers?
Many people may not know that flight crew members use a different seat belt system than passengers.
Space science
After 4 years of being sent into space by Elon Musk, what is the fate of the $100,000 Tesla Roadster now?
For the past four years, the fate of the Tesla Roadster in the vast universe has been a matter of curiosity for many.
Space science
What happens after humans travel faster than the speed of light?
The speed of light is the fastest speed known to date.
Discover science
Strange woman who hasn't slept for... 40 years
Chinese media recently reported the strange case of a woman who claims to have not slept for about four decades but also never feels tired or sleepy.