It’s been five years since NASA ended the Spirit rover’s mission, but now, researchers say the robot may have discovered traces of life during its Mars investigation.

A team of geoscientists has discovered that silica deposits from a region on the red planet dubbed ‘Home Plate’ closely resemble those that form in Chilean hot springs at El Tatio.

On Earth, these complex finger-like structures arise from a combination of biological and non-biological activity, suggesting a similar process may have taken place on Mars.

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