An alien invasion might sound like pure science fiction, but a scientist has now revealed what the terrifying consequences of this encounter might be.

This not-so-little piece of equipment could change astronomy forever. And it could be about to find alien life. Maybe in a matter of days. What is this powerful new tool? How could it detect life in ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

It is often suggested that this may have already happened: alien technosignatures may have reached Earth during the past six decades but have gone unnoticed. If that is true, it suggests that more ...