The arrival of the interstellar object 3I/ATLAS has reignited one of the most profound debates in science: whether Earth's biological history is unique or the result of ancient extraterrestrial intervention.
While mainstream astronomers classify the visitor as a comet, Harvard physicist Avi Loeb argues that its trajectory and physical anomalies suggest it could be a technological artefact, potentially serving as a 'seed' carrier in a cosmic distribution network.
