30 years ago. Ponder that.

"This is an excerpt from Chapter 10, "The Dragon in My Garage," from Carl Sagan's book, "The Demon-Haunted World: Sc...

"In this video, Carl Sagan explores the vastness of the universe, the power of science, and the limitations of religious belief. He emp...

"Astronomer Carl Sagan had a 'consumer tested' method for busting pseudoscience. Here’s how it worked. "In chapter 12 (The...

" Did Carl Sagan see 2020 coming 25 years ago? Here's why some people think he did. "A certain excerpt from The Demon Haunted ...

The Universe in One Year (inspired by the late astronomer, Carl Sagan) explains the history of the universe in one year as a “Cosmic Calenda...

“Science is a way to call the bluff of those who only pretend to knowledge… It can tell us when we’re being lied to. It provides a mid-cou...