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Harvard Astronomer Claims 3I/ATLAS May Be Alien Craft

11/18/2025

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Summary

Story summary

Harvard University astronomer Avi Loeb argues that 3I/ATLAS could be an alien spacecraft.
Most scientists regard 3I/ATLAS as a comet.
Loeb cites its unusual chemical composition and jets directed towards the Sun as evidence of a technological origin.
NASA plans to release new images of 3I/ATLAS on November 19, 2025, to aid understanding.
The object will make its closest approach to Earth on December 19, 2025, enabling further observations.

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Story summary

Harvard University astronomer Avi Loeb argues that 3I/ATLAS could be an alien spacecraft.
Most scientists regard 3I/ATLAS as a comet.
Loeb cites its unusual chemical composition and jets directed towards the Sun as evidence of a technological origin.
NASA plans to release new images of 3I/ATLAS on November 19, 2025, to aid understanding.
The object will make its closest approach to Earth on December 19, 2025, enabling further observations.