We know what invasive species can do on Earth—what about in space?

Ars Technica
By Doug JohnsonNov 18, 2021, 4:33 pm147 pts
Europa could harbor complex life, and we'll have to take care to avoid any cross-contamination. (credit: Ted Stryk/NASA) The Beresheet crash landed on Earth's Moon in 2019. Part of the ill-fated Israeli lunar lander's payload was a bunch of tardigrades, or "water bears." These organisms are under a millimeter…

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