If alien life exists, its absence from our instruments may have several very different explanations. The longer the silence continues, the more interesting the mystery becomes.

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

Dyson: Vacuum Cleaner or Alien Mega-Structure? When you hear “Dyson,” what pops into your head? A brand of vacuum cleaner? Or ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Unidentified aerial phenomena (UAPs) have resurfaced at the centre of online discussion after a widely shared interview revisited reports of supposed 'non-human' life linked to recovered unidentified ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets. Things mistaken for UFOs. In the search for alien life, humans have been fooled ...