Saif, this is a word-for-word translation of the respective article found on Derstandard.at:

https://www.derstandard.at/story/2000129228249/harvard-astronom-will-jagd-auf-ufos-machen

Just because you are citing your source still does not mean that you can simply translate the article from German into English and pass it off as your own. I am fluent in German and can tell that this article is not your work.

Please either delete this article from your profile immediately or I will report you to Medium for copyright infringement.