Find out why Universe Today has no ads

The Beginning of the Universe in 3 Minutes

One of the greatest mysteries is how the Universe began -- and also how and why does it appear to be ever-expanding? CERN physicist Tom Whyntie shows how cosmologists and particle physicists are exploring these questions by replicating the heat, energy, and activity of the first few seconds of our Universe, from right after the Big Bang.

Q&A+ Our latest video — free on Patreon Will A Naked-Eye Moon Object End Conspiracy Theories? The extended edition: ad-free, with extra content. Free to watch — no account needed. ▶  Watch it free