An Accidental Ecosystem in Space

Imagine this. It’s the distant future. Space travellers have discovered a huge structure in deep space. Let’s assume the travellers aren’t human. These beings have stumbled upon the greatest discovery in their history. A vast megastructure, hundreds of kilometres long, it’s a huge cylinder spinning slowly across interstellar space. The structure is a riotous collection […]

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An introduction to Astrobiology, showing that we really haven’t changed that much!

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