Sherbrooke University researchers simulated a space environment, which caused a chemical reaction that created organic chemicals to form.
The molecules are similar to “living building blocks” that eventually form into tiny organisms.
Their research opens the door to the possibility that all life on Earth have extraterrestrial beginnings.
More than 40,000 Americans have taken out insurance against being abducted by aliens.
“It might be an artificially made probe which was sent by an alien civilisation”
Scientists currently estimate life began on our planet about 4 billion years ago when single cell organisms and bacteria started to appear all over the globe.
The Canadian university’s finding comes as alien-hunting boffins prepare to examine a “peculiar” 1,300ft-long asteroid hurtling though our solar system for sign of extraterrestrial tech.
Astronomers dubbed the space rock “Oumuamua”, as it soared past Earth last month.
The object is estimated to be the size of the New York Empire State Building and may be made of alien metal.
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Now astronomers have joined forces with Russian billionaire Yuri Milner to study the object in more depth before it sails beyond the range of telescopes.
Dr Karen Meech, from the Institute for Astronomy in Hawaii, said: “Oumuamua may well have been wandering through the Milky Way, unattached to any star system, for hundreds of millions of years before its chance encounter with the solar system.”
Avi Loeb, the chair of Harvard University’s astronomy department added: “The more I study this object, the more unusual it appears, making me wonder whether it might be an artificially made probe which was sent by an alien civilisation.”