Interstellar overhype: Nasa debunks claim about alien-made comet

Nasa dismisses theory by Harvard astronomer who suggested an object from beyond the solar system could be a relic from a distant civilization

Skywatchers at Nasa have discounted a Harvard astronomer's hypothesis that a rare interstellar object hurtling through our solar system is a relic from a civilization in another celestial neighborhood, and could potentially be dire for humanity".

Avi Loeb, head of Harvard University's Galileo Project, which searches for evidence of extraterrestrial intelligence, raised eyebrows by suggesting in a scientific paper in July that Comet 3I/Atlas, set for a close pass with Mars next month, could be artificially made.