It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete mystery.

The interstellar object 3I/ATLAS showed no signs of alien technology, according to sensitive radio observations conducted by scientists.

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Scientists might have worked out how to hear from aliens. If extraterrestrial life is communicating with its spacecraft in the same way we do, then those messages may be detectable from Earth, new ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

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 ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...