Aliens could be chatting with each other in plain sight using light flashes like fireflies ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...
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Advanced alien civilizations could be communicating like fireflies in plain sight ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

‘Advanced’ aliens might already be using spooky ‘firefly’ technique to talk to each ...

ADVANCED alien civilisations might be talking to each other across the vast reaches of space using a “firefly” technique.