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This paper presents a bibliometric study of Astrobiology during the period of 2012-2017. A total of 519 articles and 3048 authors in the journal were examined by year to ascertain authorship patterns, author productivity, and degree of collaboration. The average number of authors per paper is 5.872 % and the average productivity per author is 0.170%. The average degree of collaboration is 0.861, which clearly indicates its dominance upon multi authored contributions.