Scientists look back into the skies of the ancient world to find out if the three wise men could have witnessed a real astronomical event. Show more

Professor Alice Roberts goes on the trail of the great beasts of the Ice Age. This time she visits Europe and Siberia, which were hit hardest by the cold. Show more

Professor Alice Roberts on the natural history of the woolly mammoth, revealing adaptations that helped the species evolve from their origins in the tropics to surviving in Siberia Show more