The US Sun Technology
THE son of a NASA scientist who was convinced he found aliens on Mars is begging the space agency to search again.
American engineer Gilbert Levin was convinced until he died aged 97 that he had made the discovery while working the Viking Mars landers mission in 1976.
Ron Levin, 67, is now continuing his dad's work - and calling on NASA and SpaceX to re-run the experiment ahead of the first manned mission to the Red Planet, scheduled for the 2030s.
He fears that ignoring possible evidence of life on Mars could exposure astronauts to unknown contagions - and they could even bring them back to Earth.
Gilbert rocked the science community in 1976 when he claimed he’d found microbial life on Mars during the Viking Project mission.
But Levin’s theory was dismissed by NASA , who had
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