NASA has already found signs of alien life on the planet. Dr Barry DiGregorio, a researcher for the Buckingham Centre for Astrobiology, believes NASA Curiosity images show signs of alien trace fossils.
He theorised that the space agency did not explore the area adequately because it would dampen its plans to send humans there in the 2030s.
And Dr DiGregorio has claimed in his new book, Discovery on Vera Rubin Ridge: Trace Fossils on Mars, that he has identified liquid coming from the same images.
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