A new study challenges the long-held notion that American voters categorically reject candidates who identify as atheists.

For the first time in history, the UK has entered an 'atheist age' - with more atheists than people who believe in the existence of a god. Now, scientists think they know why people are turning ...

About 100 million people in the U.S. say they have no religious faith, but a new survey paints a more complicated picture.