extraterrestrial life

(redirected from Alien civilization)

extraterrestrial life

(eks-tră-tĕ-ress -tree-ăl) See exobiology; SETI.
References in periodicals archive ?
It did not originate from an alien civilization. In a paper published in the journal Nature Astronomy, 14 scientists, including Knight, wrote that they found "no compelling evidence to favour an alien explanation for 'Oumuamua," to the dismay of alien hunters everywhere.
"Oumuamua may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization," according to the paper forthcoming in The Astrophysical Journal Letters.
Learned , the researchers explain various ways an alien civilization could destroy the world, either intentionally or unintentionally, by embedding code in a message.
His work ethic is modeled on the prime directive of Star Trek: never interfere with an alien civilization. But with only five days left before Lena's comeback concert, Ray quickly runs afoul of his subject, who places him on a one-week probation.
A small group of scientists has unilaterally decided to send messages to any advanced alien civilization living in a star system 12.4 light years away, Newsweek reported.
Contact with an alien civilization would affect humanity in profound ways.
Were some alien civilization to build such a structure as a Dyson sphere, would it really make sense to have sections many thousands of miles wide put in place while having most other sections not built at all?
In the 1960s, for example, astronomers detected strange signals from space which some speculated could be transmissions from an alien civilization.
The storyline picks up after the alien civilization has landed and populated Earth in remote and desolate locations.
Today, others believe that there once was a great ancient alien civilization that inhabited the planet Mars.
--Most laptops are powerful enough to override the communication systems of any invading alien civilization.
And what if an imminent cosmic catastrophe forced this technologically superior alien civilization to abandon its planet and seek a home elsewhere in the universe?