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

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio signal that appeared to originate from beyond the Milky Way. This happened when ...

A RUSSIAN radio telescope sparked a frenzy earlier this week, with reports it had received a ‘signal’ from outer space. But alien hunters SETI now say it’s a case of mistaken identity. What was ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is arguing that our inaugural contact is more likely to be a distress call, the ...

Imagine the terror if a celestial visitor was not only on a collision course with Earth but also sending a mysterious radio signal. While the latest interstellar ...

It may contain inaccuracies due to the limitations of machine translation. Experts suggest the finding from the world's largest radio telescope is a common case of misidentified radio interference.

Scientists re-analysed unpublished observations from a 72-second radio burst when the infamous ‘Wow’ signal was captured in 1977 Sarah Knapton is the Science Editor of The Telegraph and has covered ...