A scientist suggests that NASA's experiments in the 1970s may have destroyed traces of life on Mars, according to the ScienceAlert portal. In the 1970s, NASA conducted the Viking mission, which aimed to search for life on Mars.

However, for years, scientists have argued that the Viking's experimental techniques might’ve killed hygroscopic microbes living on Mars with too much water. While impossible to know for sure, this theory could be proven true or false if NASA sends another dedicated mission to detect biological life on Mars.

The rover stumbled upon a zebra-striped rock that is unique against the red surroundings of the planet. This rock is about 7.8 inches in width and was found in the Jezero Crater,

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