Scientists may have spotted signs of a parallel universe where time runs backward

NASA scientists say they may have discovered evidence of a parallel universe where time runs backwards.

The potentially incredible find was made by a team of boffins conducting an experiment in Antarctica.

The idea of a parallel universe has been present in science fiction and popular culture for years, but could the seemingly impossible actually be a reality?

Find out more about how the discovery was made, and what it means in the video above.