Scientists pointed a giant telescope at 3I/ATLAS to scan for alien life — this is what they found

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...
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Alien signals, real comet: What 3I/ATLAS revealed

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...