Modern science started out as a rather anti-authoritarian type of thing. The great scientists of the Enlightenment era often opposed ancien...

Here's an interesting puzzle. A man has a ball which he throws very hard, and the ball comes back to him. When he does this, the ball...

We recently saw the publication of the “The Big Picture” by physicist Sean Carroll. In this book Sean paints a portrait of a gloomy, purpos...

If you have got your astronomical education from watching science fiction movies, you probably think that travel between stars is a pretty ...