Go into all the world and preach the gospel to every creature

http://biblehub.com/mark/16-15.htm

https://www.google.ca/search?q=babtise+every+creature&oq=babtise+every+creature&aqs=chrome..69i57.9471j1j7&sourceid=chrome&ie=UTF-8

https://en.wikipedia.org/wiki/Exotheology#Christianity

https://www.catholiceducation.org/en/culture/catholic-contributions/alien-ideas-christianity-and-the-search-for-extraterrestrial-life.html