Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Why is there matter in the universe at all? Neil deGrasse Tyson breaks down what we know about matter-antimatter asymmetry, how it brought about the universe today, and breaking discoveries at CERN.

Timestamps:
00:00 - Energy to Matter Conversion
02:05 - The Symmetry Broke
03:45 - The Particles Within Atoms
06:53 - CERN’s Particle asymmetry
10:03 - Antimatter Universe

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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