New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

What if humanity’s first unmistakable sign of alien technology is not a greeting, but a distress flare? That possibility sits at the center of a growing idea in technosignature research: the signals ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

What steps can be taken to identify why we haven’t received radio signals from an extraterrestrial intelligence, also called technosignatures? This i | Space ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them ...

Scientists reveal one key way we might have missed signals from aliens - ‘Smearing’ of signals could mean that there are messages we are missing, researchers say ...

The most consequential signal humanity ever detects from another civilization may not arrive as a calm introduction. It may ...