What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

The Big Bang is our modern understanding of the history and evolution of the universe. It is not, however, a theory of the creation of our cosmos.

The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.

The strongest evidence for the Big Bang came in 1964 when scientists at the Bell Labs discovered the cosmic microwave background radiation. Skip to content Introducing the all-new Astronomy.com Forum!

Observational evidence for the Big Bang includes the analysis of the spectrum of light from galaxies, which reveal a shift towards longer wavelengths proportional to each galaxy's distance in a ...

In this video, Professor Brian Cox explains how evidence for the Big Bang can be found by analysing the colour of starlight. Theories about the development of the Universe, such as the Big Bang ...

The notion of the Big Bang goes back nearly 100 years, when the first evidence for the expanding Universe appeared. If the Universe is expanding and cooling today, that implies a past that was smaller ...