I think on one of Jupiter's moons (Titan or something) they thought there might've been an alien civilization because they found canals. It might've have been on something else, but I do know they found canals and thought that at one time aliens lived there.
No.
Unfortunately, no extraterrestrial life has been discovered to date, but astronomers are always on a close lookout!
We do not know. We have not made contact with any aliens.
Unsealed Alien Files - 2012 II Aliens and Civilization 2-7 was released on: USA: 14 October 2013
it lives about 789,254,642 kilometers, phil, its nice to know that somone out here knows there's alien civilization!
The Krell .
i believe that there might be alien animals out there
Some people believe in aliens. Alien is a noun so use it in a sentence as a person
yes i believe so.
Yes, i believe you can good sir.
If you counted 1 intelligent alien civilization per second, it would take 400 million years to count all 12,600 trillion intelligent alien civilizations in the universe.
There have been many theories over the years as to why the Mayan civilization collapsed. Some of those theories are overhunting, drought, and alien invasion.