fifty six billion years...
Since we have not meet extraterrestrial aliens, we do not know. Yet.
Maybe similar with 'outlander' movie
There is no evidence that proves any of them are even extraterrestrial for certain. There is no Evidence that proves any of them are not extraterrestrial for certain.
Extraterrestrial life forms-if they exist.
At the moment there is no credible evidence that there are any extraterrestrials on earth.
There are so many things that could not be a falsifiable hypothesis. One statement that is not falsifiable is that humans need air to breathe.
A person who believes in aliens is often referred to as an "alien enthusiast" or someone who is "believes in extraterrestrial life."
There is currently no scientific evidence to suggest that aliens exist or that they park their spaceships anywhere. The search for extraterrestrial life is ongoing, but as of now, we have not made contact with any alien civilizations. The concept of aliens parking their spaceships is purely speculative and falls within the realm of science fiction.
No, aliens do not need a passport to travel to Earth as there is no confirmed evidence of extraterrestrial life visiting our planet.
The behaviors of aliens in space are not known as there is no confirmed evidence of extraterrestrial life. The concept of aliens in space is often explored in science fiction, where they may be portrayed engaging in a variety of activities such as exploration, colonization, or conflict.
Of course, they aliens are hiding underneath of surface in gas pockets.
If you meant ALIENS... Then yes or no depending on who's view it is. To another human being, people are not aliens. From the view of an extraterrestrial being from the universe we would be.