They might be out there, but they are not a threat to the UK. That is the official reason why the UFO hotline was shut down at the end of November last year as the Ministry of Defence looked to cut costs.
Responding to a Freedom of Information request by Dr David Clarke, a lecturer at Sheffield Hallam University, the MoD memo dated 11 November states: "In more than fifty years no UFO sighting reported to the Department has indicated the existence of any military threat to the UK."
I don't know about you, but I'm certainly going to sleep better at night knowing this. To read the the rest of this horse puckey, click here.