A study led by the University of Nottingham puts a number on how many civilisations we should be looking for
The series has delivered a horror masterwork, a seminal shoot-em-up and some auteurist gems...but how do they rank?
The Navy now has formal guidelines for how its pilots can report when they believe they have seen possible UFO's
Among his first appearances was as Deak, a friend of Luke Skywalker in "Star Wars: A New Hope", though the scenes did not feature in the final cut
Here is what we know about it
...or do we?
The Nimitz UFO encounter in November 2004 is one of the most famous sightings in history
We need to make the normal strange
The book was written by Michael Masters, a professor of biological anthropology at Montana Technological University in Butte
Last year, the military confirmed that the footage was indeed legit and should not have been leaked...