Discover science
Three million years have passed, why haven't aliens appeared and invaded Earth yet?
Since the dawn of human civilization, the question of life beyond Earth has always been a fascinating subject.
Extraterrestrial
Browse ScienceInfo articles and explainers related to Extraterrestrial.
Topic archive
Articles about Extraterrestrial
458 published items.
Space science
NASA spacecraft makes major discovery in 'permanent darkness'
New data collected by NASA spacecraft could help the space agency get closer to establishing the first off-Earth base.
AI - Artificial intelligence
AI analyzes Stephen Hawking's concerns about another civilization
The great astrophysicist of mankind, Stephen Hawking, once warned humanity of a disaster if we encounter an extraterrestrial civilization.
Space science
Constellation Orion: The mysterious connection between interstellar civilization and ancient human civilization
Looking up at the night sky, we can easily recognize the constellation Orion - a prominent constellation with a sparkling diamond-like shape.
Space science
To stay healthy while working on the Moon, astronauts can use the Wall of Death
The device bears the name
Space science
Admire the breathtaking solar eclipse images taken from beyond Earth
There are many solar eclipse images taken from the ground, but the truly unique is the photo taken by NASA astronauts from the international space station.
Scientific works
SKAO telescope - a solution to help humanity search for extraterrestrial life
This telescope can help humanity promote the search for extraterrestrial life.
Conquer Mars
NASA found 'treasure' right before losing the ship hunting extraterrestrial life
On the newly formed planet
Conquer Mars
Revealing the real reason why people are fascinated by Mars!
Whether they are scientists, astronauts or ordinary people, they are all deeply attracted to the red planet.
Alien
Looking at 10,000-year-old paintings, experts wonder: Could the Earth have been designed in advance?
Why does the picture on a 10,000-year-old painting look like an extraterrestrial? Maybe they came to our planet a long time ago.
Discover science
'Extraterrestrial' matter mystery was born after the first nuclear weapon test in history
This material is believed to have been created from the first nuclear weapons test in human history...
Alien
Capturing strange radio signals from extraterrestrials: Like the beating of a human heart
Canada's CHIME radio telescope has just picked up an unprecedented radio signal - a radio burst with amazingly accurate periodic peaks that are as regular as a heartbeat.
Science Events
'Bad news' about radio signals 'sent from the most Earth-like planet'
A scientist from the SETI Institute (Search for Extraterrestrial Intelligence), confirmed that the signal received by the Chinese telescope was from humans - but not ali…
Alien
Russian Space Agency says: 'Humans may also be being studied by aliens'
The director of the Russian Space Agency thinks that there may be extraterrestrial life forms studying human civilization.
Science story
Could 4 extraterrestrial civilizations lurk in the Milky Way and attack us?
The Milky Way is home to millions of potentially habitable planets, and about four of them may contain extraterrestrial civilizations.