Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

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

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial civilisations. People around th.

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

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

The recent, widely covered signal that's allegedly got SETI hot and bothered is almost certainly not aliens. But that doesn't mean it's not cool. Share on Facebook (opens in a new window) Share on X ...