Fresh analysis of debris found at the site where an unfamiliar flying craft crashed into trees decades ago blows open the question of whether or not aliens really do exist.

In January 1983, an object flying through the air hit trees near the small Welsh village of Llanilar, near Aberystwyth in the middle of the night.

Before it flew off seemingly undamaged, it scattered metal detritus across four fields.

Now 40 years on, new analysis of this metal ignites the debate of extraterrestrial lifeforms with startling revelations.

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