explication cientific

scientists give us the explanation that there is a planet beyond the earth, have their own lives, their own world, also say that some day come to the land where we invade, but beyond that have not told us, or we have not been proven beyond specific images or videos, no one knows if they are disturbed by them and they are really real

ufo's are real?

about the first question we think that this strange being really exist because there is convincing evidence about UFOs, videos, pictures where they appear.we think that the appearance of these creatures are rather large with a volume of their heads higher than normal, and with a vocabulary that can not be understood, and are strange color.