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Professor Brian Cox demonstrates how the chemical elements are made in the death throes of a dying star.

Brian Cox explains the concept of entropy and the arrow of time

Professor Brian Cox explains the process that causes all stars, including eventually our own sun, to die.

Professor Brian Cox experiences what a world without gravity would be like.

Professor Brian Cox explains how evidence for the Big Bang can be found by analysing the colour of starlight.

Professor Brian Cox visits the Burgess Shale fossil field in the Canadian Rockies, to see evidence of an explosion in life on Earth during the Cambrian period 540 million years ago.

Professor Brian Cox simulates the strength of gravity on other planets using a centrifuge in Holland.

Professor Brian Cox explains why light from stars and galaxies takes time to travel to Earth.

Professor Brian Cox explains how scientists first measured the speed of light.

Professor Brian Cox is able to witness the oldest light in the Universe, by listening to its stretched wavelengths through a radio.

Professor Brian Cox explains what black holes are, and how we know about them despite the fact that they’re invisible.