We are, almost certainly, the only intelligent life in the universe. But anyone who says they know for sure is full of hot air, argues new research. We simply don’t know enough about what’s out there ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...

How many intelligent civilizations are thriving, right now, in the Milky Way? Spoiler alert: I’m not going to answer this question by the end of this column. Today, it is unanswered and unanswerable.