There is a theory that they come to obviously see how we are doing and possibly gently mutate us through DNA and also for fee energy that earth gives off (Nikola Tesla was working on this and was very close before he "died").
Gravity is something a lot of plants do not have, possibly, if we are...
Obviously I am open minded, but also cynical (which someone should be) and my cynical side, thinks this is a money making exercise for those in power, and big business.
1: They admit to aliens and we need to invest billions of money on defence, because they could be hostile - even though there...
Considering that the US Navy have filmed UAP's entering the water and continuing at break neck speeds, that is a possibility.
There are some very interesting theories and although some of them I can not get my head round, I am open minded on the subject, I do find it interesting that we have...