In the beginning, the Universe was created ... a nearly undetectable cosmic neutrino background. Nucleosynthesis began three minutes after the Big Bang. For the next 17 minutes, all was fusion.

What were the first objects to light up the Universe and when did they do it? After the Big Bang, the universe was hot, dense, and nearly homogeneous. As the universe expanded, the material cooled, ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Astronomers are trying to listen to the universe’s background hum — a cascade of ...

Observations of stellar movements in galaxies and the cosmic microwave background — an afterglow ... which posits that the universe first underwent a contraction phase. This phase ended with ...

In this video, Neil explains how new telescopes will help us see the origins of the universe. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is ...