News tagged with invasive species

Where did Australian cats come from?

Researchers have found that cats in Australia are most likely descended from those brought by European settlers. Feral cats found on the islands surrounding Australia may represent founding populations from Europe, introduced ...

dateDec 03, 2015 in Evolution
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Will we contaminate Europa?

Europa is probably the best place in the solar system to go searching for life. But before they're launched, any spacecraft we send will need to be squeaky clean so don't contaminate the place with our filthy Earth bacteria.

dateNov 10, 2015 in Space Exploration
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