“The existence of galaxies with no elements such as oxygen—formed by stars after Big Bang nucleosynthesis—is a key prediction of the cosmological model,” the researchers write. “However ...

Nucleosynthesis began three minutes after the Big Bang. For the next 17 minutes, all was fusion.

Our understanding of the universe begins with the Big Bang, a moment in time where the universe began expanding into what we see around us now. Big Bang nucleosynthesis describes how only the ...