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Articles on Invasive species

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Tardigrades have extraordinary survival skills. Dotted Yeti/Shutterstock

Could tardigrades have colonized the Moon?

Tardigrades are tiny animals known for their extraordinary survival skills, but are they tough enough to survive a space-probe crash and conditions on the Moon?
A school of grunts on a sunken World War II German submarine in the Atlantic Ocean off North Carolina. Karen Doody/Stocktrek Images via Getty Images

Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.

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