Strange 'leopard spot' markings have been found on a 3.5 billion year-old Martian rock with NASA saying they could be the "clearest sign" of life ever discovered on the Red Planet View 3 Images The 'leopard spot' markings could have been caused by alien life

The discovery of 'leopard spot' markings on a Martian rock could be a big sign that alien microbes once lived on Earth's far away neighbour . ‌

The rock, believed to be around 3.5 billion years old , was discovered last year (July 2024) by NASA's Perseverance Rover and detailed analysis by planetary scientists has revealed and exciting development. ‌

According to NASA's acting administrator Sean Duffy, the markings are "the clearest sign of life we’ve ever found on Mars," with the presence of Martian microbes cur

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