The buzz over an ‘alien’ interstellar comet shows how way-out speculation goes viral

Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...
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New snapshots of comet 3I/ATLAS highlight a dazzling glow and two separate tails

Learn about the latest NASA and ESA images of Comet 3I/ATLAS, showing its brightness and tails of dust and plasma.
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NASA Confirms 3I/ATLAS Accelerating—Blue Comet’s Engine Theory Splits Scientists

A comet unlike any seen before blazed through the inner solar system in late October 2025, captivating astronomers and the public alike. Designated 3I/ATLAS, it brightened dramatically as it neared ...