Are There Such Things As Ufos?

Of course there is unidentified flying objects can be any where that don't mean it's aliens it could be a unregistered helicopter or some thing like that

I agree with bigredwr 100% there are objects we can't identify but it doesn't mean there are alien life forms on board or that they're even experimental aircraft. They could just be optical illusions. Which they are most of the time. Humans at one time couldn't explain thunder and lightening and said it was god. We know better now. What is unexplainable now will be explainable in the future. I'm confident of this ;)