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 ...

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

They’ve got their 3Is on the prize. The highly anticipated data 3I/ATLAS’ Earth tour last month is in. A targeted scan of ...

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

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

For 21 years, between 1999 and 2020, millions of people worldwide loaned UC Berkeley scientists their computers to search for ...

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 ...