Has there been a cover up by governments on UFOs

ok.... you are just wanting to get me on a rant today aren't you?? LOL you are delving into unsafe waters my good friend! Let's just say that i have heard many conspiracy theories that support the 'fact' that thay have seen UFO's and that the government is woing diligantly to keep it covered up. The thing that most people don't take into consideration is that UFO does not stand for 'alien'. Specifically, UFO is an object that you can see but you can't identify. it could be experimantal aircraft or a atmospheric anomoly not necessarily visitors from outer space.

Personally i can argue both sides of this topic. I feel that we we would be stupid to think that we are the only life in this huge universe of ours. Now as far as wether or not they can actually travel from planet to planet?? I don't know for sure. I would like to believe so, and have seen some pretty convincing evidence to support it. I just feel that there can't be that many people out there that have claimed to have seen them and been 'abducted' by them for it to all be a big bunch of lies...