Scientists think they have found the source of life on another planets, but it might not be great news for any future human habitation as they are known to eat fuel that could kill humans Alien life forms could exist in extreme conditions (Image: Getty Images/iStockphoto)

Elon Musk's plans to colonise Mars have been dealt a blow after Boffins believe they have found what alien life forms eat – and it could kill humans. Researchers say not all life would need the same conditions as we do on Earth to thrive.

And they argue high-energy particle clusters – known as galactic cosmic rays – could sustain life in extraterrestrial worlds. These rays emit radiation which can trigger chemical reactions, a process known as radiolysis , which then can cause molecules to break down and r

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