(United Press International) A California scientist is claiming that the mysterious rock recently photographed by NASA’s Mars rover is a “mushroom-like fungus,” and he is suing the agency for not further investigating the possibility of life on the red planet.

Astrobiologist Dr. Rhawn Joseph has filed a lawsuit against NASA and its administrator, Charles Bolden, for failing to investigate the donut-shaped rock photographed by the Opportunity rover. The rock was not visible in previous photos taken at that location.

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