> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Why Didn’t Antimatter Destroy The Universe?
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/why-didnt-antimatter-destroy-the-universe-zwnk6y/
- Published: 2025-04-29T14:45:50.000Z
- Updated: 2025-08-21T13:47:29.000Z
- Description: Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 11, Episode 2, #ZZZ_Episode_2a32ea82-b29d-4c2d-9efb-15c7ebe15821, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

At one-one-thousandth of a second after the Big Bang, the great annihilation event should have wiped out all matter, leaving a universe of only radiation. Why still don't know why any matter survived. Well, a new finding from the LHC brings us one step closer to understanding why there's something rather than nothing.