SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

For decades, humanity has been looking for answers to unravel the mystery surrounding aliens’ existence, but they have failed ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline. com can report.

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

A UFO row erupts as US congressman claims an intelligence insider warned he could be killed for probing alien secrets, sparking renewed public debate.

A new psychedelic retreat calling itself a “SETI for the mind” aims to establish two-way communication with the nonhuman entities people encounter while tripping on DMT.

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...