NASA-funded study on bizarre life form in Mono Lake retracted

A study funded by NASA that claimed to have found bacteria in Mono Lake using arsenic has been retracted by the journal Science. The discovery, made over a decade ago, raised questions about the limits of life on Earth and beyond. While the researchers stand by their data, the journal decided to retract the paper due to discrepancies in the reported experiments.

Jul 25, 2025 - 21:46
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A microscopic discovery in a California lake more than a decade ago revealed bacteria that used arsenic, an element toxic to life, to grow. This finding expanded the possibilities for life on Earth and beyond. However, subsequent research failed to replicate the results, leading to debates over the validity of the original experiments. Recently, the journal Science retracted the research, not due to misconduct but because the reported experiments did not support the key conclusions. The researchers stand by their data, emphasizing that disagreements are part of the scientific process. NASA, which funded the work, does not support the retraction and encourages reconsideration.

According to the source: AP News.

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