Universe Today is 100% AD-FREE thanks to our patrons. Here's how we do it

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.

Space Bites+ ▶ Our latest video — free on Patreon Finally, A NASA Mission To Explore Lava Tubes The extended edition: ad-free, with extra content. Free to watch — no account needed. ▶  Watch it free