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Puerto Rico's iconic Arecibo Observatory won't be replaced after crashing to its doom 2 years ago....
Business Insider via Yahoo News UK· 2 years agoThe Arecibo Observatory in Puerto Rico, left, prior to the 2020 collapse, and after the collapse,...
First contact with aliens could end in colonization and genocide if we don't learn from history
The Conversation via Yahoo News UK· 6 months agoSETI has been listening for markers that may indicate alien life -- but is doing so ethical? Donald...