For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

This video reconstructs Pangaea, the supercontinent that existed around 200 million years ago when all modern continents were ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...