Professor Brian Cox explains how evidence for the Big Bang can be found by analysing the colour of starlight. Astronomers have found that the further a star or galaxy is, the redder its light appears.

As Professor Brian Cox makes his second appearance with ... is that their origin can be traced back to a time before the Big Bang, when the universe was cold and dark and expanding at an ...

Professor Brian Cox, who has become an international media star thanks to his hit TV series on ... The team there hope to recreate conditions in the Universe less than a billionth of a second after ...