Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.

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 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 ...

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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 ...

A mysterious radio signal detected nearly five decades ago and long speculated to be evidence of extraterrestrial life may finally have a natural explanation, according to new research. The so-called ...

Scientists re-analysed unpublished observations from a 72-second radio burst when the infamous ‘Wow’ signal was captured in 1977 Sarah Knapton is the Science Editor of The Telegraph and has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