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

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.

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

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

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

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Astronomers turned the Allen Telescope Array toward interstellar comet 3I/ATLAS, formally designated C/2025 N1 (ATLAS), ...

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...