‘Advanced’ aliens might already be using spooky ‘firefly’ technique to talk to each other in PLAIN sight, say scientists

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

What to know about the ‘Alien’ series, from A to xenomorph

In space, no one can hear you scream. The movie theater is a different story. The spine-chilling sci-fi horror franchise “Alien” returns this week with “Alien: Romulus,” featuring a new crew of young, ...