BBC Earth Science | Just How Old Is Our Universe? | Science's Greatest Mysteries | BBC Earth Science @BBCEarthScience | Uploaded 8 months ago | Updated 2 hours ago
For years, we've been under the impression that the expansion of our universe was slowing down, but astrophysicist Adam Reiss' research could prove that all wrong.

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Taken From the Series: Science's Greatest Mysteries
Does science have all the answers? This series examines some of the biggest riddles facing scientists today. We've solved some of the most complex questions about our world and the universe. But the more we discover, the more problems emerge. Exactly how old is our universe? Why are the two sides of our moon so different? How did iron from space end up next to the body of Tutankhamun? Each film in this series tackles a single question, visiting the cutting-edge labs running mind-bending experiments and meeting the dedicated scientists searching for answers.

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