The universe’s biggest mystery

Dark matter and dark energy dominate our universe. They’re both highly mysterious, invisible and difficult to detect. So what are they, and how do we know they even exist? 00:00 - What is the universe made of? 01:53 - What is dark matter? 05:32 - What is dark energy? 08:54 - The future of the universe Sign up to our weekly science newsletter: https://econ.st/3GBhFJX Find all of our science and technology coverage: https://econ.st/3Z632FK How astronomers know “dark matter” exists: https://econ.st/3Za8Pu3 Listen to an episode of our science podcast about the Large Hadron Collider: https://econ.st/3ClwH3T The best of our science podcast, “Babbage”, from 2022: https://econ.st/3WFM1QZ Find all episodes of “Babbage”: https://econ.st/3GCzI2m Did dark matter do in the dinosaurs? https://econ.st/3jCkl0M The latest news from Mars: https://econ.st/3vAeMCU The world’s most pointless rocket was launched: https://econ.st/3vxEFmD NASA’s planetary defence test worked 25 times better than hoped: https://econ.st/3vvzow9