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

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

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 ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025.

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

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

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