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The First Radio Signal From Comet 3I/Atlas Ends the Debate About Its Nature

Javier Carbajal

created: Nov. 10, 2025, 3:17 p.m. | updated: Nov. 30, 2025, 10:56 a.m.

More evidence has emerged to support the natural origin of comet 3I/Atlas. The most recent confirmation came from an observatory in South Africa that detected the first radio signal from 3I/Atlas. A radio signal? The thing is, this isn't a radio signal like a transmission emitted by a spacecraft. “In response, I was assured that 3I/ATLAS will be monitored by radio observatories like MeerKAT.”Loeb acknowledged that "no radio detection of 3I/ATLAS has been reported so far, other than the OH absorption signal."

3 months, 3 weeks ago: Science Latest