You’ve made it to Galaxy 3812, a hypothetical galaxy that houses a type III civilization. One of the first things you’ll ...

It has been more than sixty years since Dr. Frank Drake (father of the Drake Equation) and his colleagues mounted the first Search for Extraterrestrial Intelligence (SETI) survey. This was known as ...

As we humans grow in numbers and technological sophistication, we will need to generate more and more energy for our use. That likely means ever more reliance on renewable sources of energy like solar ...

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 ...

The gargantuan artificial construct enveloping your local star is going to be rather difficult to miss, even from a few light years away. And given the literally astronomical costs of resources needed ...

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, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Human civilization has achieved some incredible things ...

We’ve never encountered aliens. Or alien probes. Nothing at all, in fact. But tiny self-replicating alien space probes could already be in our Solar System. If they were then could humanity’s biggest ...

New research has revealed that the world's largest radio telescope, located in China, could potentially spot self-replicating probes launched by a distant intelligent alien civilization, should they ...

Normally, we just talk about what a type III civilization might look like, but today, you're going to visit it and experience ...