Interstellar object 3I/ATLAS exhibits a mysterious heartbeat. New analysis suggests glowing jets, not a spinning nucleus, ...
NASA declares no threat from interstellar comet 3I/ATLAS but launches a secret planetary-defence mission as the object exhibits unusual behaviour near the Sun.
Welcome to the latest astronomy space news for December 1, 2025! This month, we’re looking at how galaxies grow, what the ...
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