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Comet 3I/Atlas doesn't need to be 'alien' to deserve a closer look, scientists say

By Katia Riddle
Published November 17, 2025 at 3:26 PM CST

There's a new celebrity in town and it's... a comet. Much of the attention has to do with an astrophysicist's grandiose suggestions that 3I/ATLAS could contain alien life. Other scientists disagree.

Copyright 2025 NPR
Katia Riddle
[Copyright 2024 NPR]
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