They Exist, so let's hope they are friendly!!!

https://au.news.yahoo.com/a/33725296/frb-121102-mysterious-fast-radio-bursts-tracked-to-dwarf-galaxy-3-billion-light-years-away/#page1

They do exist, & they have already visited earth. So let's hope they are friendly & have no use for us or our ailing planet! We have enough to worry about as it is.