The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

An extraterrestrial alien civilisation could likely intercept transmissions from Earth within the next 100 years, a new study has revealed. The likelihood of transmissions from Nasa’s Deep Space ...

Rare and brief bursts of cosmic radio waves have puzzled astronomers since they were first detected 10 years ago. Some suggested these mysterious bursts of energy could be a sign of alien life trying ...

A Voyager spacecraft leaving the solar system – but could aliens be listening in? (Getty) Earth might have inadvertently sent messages to alien civilisations – and we could get a reply from aliens ...

Humanity will find alien life within the next two decades, an astronomer has claimed. In a recent interview, a senior expert at the Search for Extra-Terrestrial Intelligence (SETI) Institute said he ...

Scientists think they've found the origin of mysterious 'radio bursts' which looked a lot like extraterrestrial transmissions SCIENTISTS have traced the origin of mysterious “alien transmissions” and ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

What new methods can be used to detect alien technosignatures? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of researchers from Pennsylvania ...

In 1977, the alien-hunting astronomer Jerry Ehman spotted a signal from deep space which was so unusual that he scribbled the word "Wow" in the margin of his notebook. Now an American scientist has ...

Mysterious ‘fast radio bursts’ which some scientists have said could be evidence of alien intelligence are definitely coming from space – not Earth. Scientists from Swinburne University of Technology ...