01-11-2011 02:54 AM

'World governments should prepare a co-ordinated action plan in case Earth is contacted by aliens, according to scientists. Scientists argue that a branch of the UN must be given responsibility for "supra-Earth affairs" and formulate a plan for how to deal with extraterrestrials, should they appear.

The comments are part of an extraterrestrial-themed edition of the Philosophical Transactions of the Royal Society A published today. In it, scientists examine all aspects of the search for extraterrestrial life, from astronomy and biology to the political and religious fallout that would result from alien contact.'

Read more: Earth Must Prepare for Close Encounter with Aliens, Say Scientists