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- Aliens may have bugged space rocks to spy on Earth, scientist says https://www.nbcnews.com/mach/science/aliens-may-have-bugged-space-rocks-spy-earth-scientist-says-ncna1060886 13 comments
- Alien hunters should search for artifacts on the moon, study suggests | Space https://www.space.com/intelligent-aliens-search-artifacts-moon 10 comments
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