If aliens were to attack Earth, an opponent with a civilization that is several steps more advanced than Earthlings who have not been able to find aliens would attack with advanced abilities.

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

What would it take to become an interstellar civilization? Supreme Court delivers major blow to Trump-era rule Medical professionals say this is the absolute worst thing you can do in the ER Woman ...