def shepherd

This is a wonderful animated adaptation of Carl Sagan's Pale Blue Dot . Sagan's book was inspired by a photograph of planet Earth...

The ninth video in The Sagan Series is now available for viewing. It's a wonderful mash-up of video from a variety of sources, includ...

The Cosmic Calendar casts the 13.7 billion year lifetime of the universe into a single calendar year, and was popularized by Carl Sagan on...

Carl Sagan would have been 77 years old today. You could do a lot worse than to spend 3 minutes and 53 seconds of your time today listeni...

A reader commenting on yesterday's post depicting the history of the world cast into a 24-hour clock brought up another wonderful time-...

If you're unfamiliar with The Sagan Series , you should check it out. The series of videos pays tribute to the late great astrophysicist...

Physicist and cosmologist Sean M. Carroll sure did step in it. Hot on the heels of Stephen Hawking's assertion that heaven (or any afte...

As much as I tire of the overuse of auto-tune in pop music, I can't get enough of the " Symphonies of Science " videos.  I thi...

(Part 3 of an ongoing, meandering stream of undefined scope.) "I am not afraid of death, I just don't want to be there when it h...