The expansion of the universe after the Big Bang

How did the ever expanding universe after the Big Bang end up with matter at all? What was the first thing to have “mass” and why? - Quora

Origins: CERN: Ideas: The Big Bang

The Expanding Universe U-M LSA U-M College of LSA

Was all matter in existence formed in the Big Bang or is new matter still being created?, Science

How could an explosive Big Bang be the birth of our universe?

The Big Bang and expansion of the universe

The Big Bang scenario in the universe, followed by a rapid expansion of

Dark Energy

Does the expansion of the Universe break the speed of light? - Big Think

The Big Bang Theory - Explained (expanding universe theory)