It's a question humanity has pondered for centuries. People have throughout time reported seeing mysterious objects flying in the sky, sightings of little green men, and even being abducted. But is this just the stuff of imagination? Does life exist in outer space? Or are we really all alone?
Yes, alien life does exist outside of Earth
Some people believe that there is some form of life located on other planets
Accidental artificial panspermia explains alien life
The belief that humanity has accidentally contaminated other planets with life by sending rovers and landers to their surface that were not sufficiently decontaminated
There is evidence to suggest that aliens have visited us already
Millions of people believe that aliens exist and have visited the Earth in flying saucers. Some believe that many of the ancient civilisations were taught or assisted by aliens
Probably, but we don’t yet have proof of alien life
People taking this view consider that in a Universe where there are enormous numbers of worlds like ours it is likely that life has arisen many times. But until we have evidence we don’t know for sure
Several exoplanets have been discovered that may harbor alien life
The so-called exoplanets are planet found outside our Solar System. Some might be candidate for a life
