The big question you may always asks are we alone in this universe?. Our world is full of endless possibilities so you should expect everything. So far nobody knows the exact answer about this but in this massive universe there is a lot of things we do not know about them.
Alien sightings has been a major controversy since then, however there is no strong evidence to prove their existence. What has been found on a ranch in Metepec, Mexico , has shocked the whole world. In May 2007, a very strange creature has been discoverd which could be as an deviance about alien existence .