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How Did Microbes Contaminate a Pristine Asteroid Sample?

The discovery initially thought to be alien life turned out to be earthly contaminants from rigorous sample handling procedures.

Bacteria found on a space rock turn out to be Earth-grown

Study reveals Earthly bacteria in asteroid sample, highlighting risks of contamination and cautioning against claims of extraterrestrial life.

How Did Microbes Contaminate a Pristine Asteroid Sample?

The discovery initially thought to be alien life turned out to be earthly contaminants from rigorous sample handling procedures.

Bacteria found on a space rock turn out to be Earth-grown

Study reveals Earthly bacteria in asteroid sample, highlighting risks of contamination and cautioning against claims of extraterrestrial life.
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Signs of Life in Asteroid Sample Turn Out to Be Something Embarrassing

Researchers found Earth-origin microorganisms in Ryugu samples, questioning the evidence for extraterrestrial life and highlighting challenges in contamination management.

How the perils of space have affected asteroid Ryugu

High-velocity micrometeoroid collisions can alter an asteroid's magnetic properties over billions of years in space.
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