Article from the website mirror.co.uk.
Scientists in the UK say this microscopic metal globe could be proof that aliens are watching us.
Balloons sent 27km into the stratosphere to collect debris came back with the object, no bigger than the width of a human hair.
Professor Milton Wainwright, leader of the joint study by the University of Buckingham Centre for Astrobiology and University of Sheffield, said the structure is made from titanium and vanadium metals and has a biological "gooey" substance oozing from it.
Scientists believe it could contain genetic material used to propagate alien life on Earth.
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