What if the closest intelligent aliens aren’t light-years away in deep space, but buried millions of years deep in our own planet’s geological history? This mind-bending concept explores whether Earth ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

The British daily the Guardian on the 11th (local time) highlighted the problem of the “great silence” in our vast and ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...