Even in Space, Microbes Continue to Evolve

Genetic mutations are life's ace in the hole. When confronted with challenging environments, species will adapt over time, incorporating beneficial genetic alterations into their DNA to grow new and useful traits. It's no different in space.

A new study from Northwestern researchers finds that microbes aboard the International Space Station are changing genetically in response to the conditions there. It's no danger to the astronauts there, it's just a reminder that evolution continues even away from Earth.

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