Unusual behaviour: The 3I/ATLAS is an interstellar object entering our Solar System with characteristics that don’t match typical comets. A Harvard expert says we should be open to all hypotheses, including technological origins, i.e. alien life. “It’s not just about what it looks like — it’s about how it behaves,” he said. 

Comet or alien? Interstellar object sparks wild debate

3I/ATLAS is unusually fast, with an extremely unusual trajectory

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