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.

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 ...

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

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Barnard's Star is a small red dwarf just six light-years from Earth. Despite its proximity, it was only noticed in 1916 when E. E. Barnard found it had a particularly high proper motion. It had ...

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

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Scientists have searched the skies for alien radio signals for more than 60 years, but all ...

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.

Below is my ham radio. I have a permit for it, and you're allowed to use it. Adjust the bands and the dials to see if you can make contact with an alien! There are eight alien signals hidden within ...