If 3I/ATLAS isn’t an alien probe, why is it silent on radio signals but rich in methane from another star system?

If 3I/ATLAS isn’t an alien probe, its discovery may be even more important. Scientists detected no radio signals from the ...
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After 74 million hits, SETI finds no sign that 3I/ATLAS is an alien probe

"That is why it is important to keep searching." ...

Scientists probe cosmic visitor from deep space, come up empty in search for alien life

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.