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, ...
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 ...
What If on MSN
6 shocking things you’d see in a type III civilization
Imagine arriving in a galaxy where humanity controls every star, planet, and particle of energy. This is the reality of a type three civilization, one of the most advanced stages of development that a ...
Hosted on MSN
The Kardashev Scale Explained: From Type 1 to Type 7
The Kardashev Scale, first proposed by Russian astronomer Nikolai Kardashev, measures the technological advancement of civilizations by the amount of energy they can harness and use. In its original ...
One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating what life and extraterrestrial civilizations will look like. Invariably, we ...
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 ...
It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results