When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Aliens in Our Imagination: Friendly or Frightening? From the pointy ears of the Vulcans to the razor-sharp teeth of the ...

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, meaning technosignatures may already have reached Earth.

Add Yahoo as a preferred source to see more of our stories on Google. A new study has found that stellar "space weather" could be making it significantly harder to detect potential signals from aliens ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical Journal hopes to address as a team of ...