Given the fact that extraterrestrials will discover planet Earth, it will anybody’s guess what they will do to us. There is a speculation that they might bring danger to mankind and that they might attack, kill, enslave or even eat us. The alien civilization might notice that Earth is being harmed by greenhouse gas emissions and can eventually bring harm to the universe. This scenario could be the reason why extraterrestrials would eliminate the existence of human being on Earth.
Read the whole article at Extraterrestrials-Aliens.com
Where's this alleged report by the "three scientists from Pennsylvania State University and NASA"? The authors of this article should provide a link, otherwise why should anyone believe what the article contains? Though, what is being said, I do believe is a possibility, and have been saying it for quite a while. See my video<br />"Message of Warning from Renegade
News Flash!News Flash!All should take note:Benign E.T.s have been visiting our planet for thousands of years!They have been observing us.Might even help us, if asked.But,not do any malicious harm.Oh, people of Earth,our Space Brothers and Sisters know there is a kinship bond between us all.There HAS and is dialogue with government officials and E.T.s !(Most just haven't been informed.)These
Nabil Shaban's video referenced in his comment is one of the most ridiculous things I've ever wasted my time on….
"Datum such as presented need filtering, and to post such ludicrous commentaries is something from a comedy script. In light of any research it is time to move beyond the ridiculous and endorse practical findings."