Aliens could be discovered 'soon' if they do exist, according to a scientist.
Michael A Garrett, an astrophysicist from the University of Manchester, raised the possibility of an extra-terrestrial discovery as many UFO -watchers await the release of a US intelligence report.
The newly declassified dossier from The Office of the Director of National Intelligence assessing sightings of what are officially called Unexplained Aerial Phenomena (UAP) is expected to be made available online this week, after being delivered to Congress on Monday.
It is the first of a series of documents that will be made public under the 2022 US Defense Bill over the next four years.
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