Before you submit an error, please consult our Video Help page. PBS Space Time is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, ...

The Kardashev scale is based on how much energy a civilization uses. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What might we find: little ...

From mastering the energy of planets to reshaping entire universes, the path to a Type VI civilization stretches the limits of human imagination. But what would that future look like, and would we ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Hongying Chen is on a mission to find the most technologically advanced aliens out there. “Kardashev Type III civilization (K3) is a kind of very advanced civilization that is capable of fueling the ...