The Big Bang marks the origin of everything,the birth of the universe 13.8 billion years ago. But what exactly happened at ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

The Big Bang theory is supported by the discovery of the cosmic microwave background radiation. The universe rapidly expanded and cooled after the Big Bang. Light elements like helium and lithium ...

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!

It's treated as though it's an unassailable scientific truth: 13.8 billion years ago, the Universe as we know it emerged from a hot, dense state known as the Big Bang. While there were a number of ...

As recently as 20 years ago, the Big Bang was one of many ideas that scientists continued to entertain: quasi-steady state theory, plasma cosmology, and quantized redshifts remained mainstays in ...

A new analysis of ‘cool’ spots in the cosmic microwave background may cast new doubts on a key piece of evidence supporting the big bang theory of how the universe was formed. Two scientists ...

This map of the cosmic microwave background, the light released just 380,000 years after the Big Bang, was created using observations by NASA's WMAP spacecraft. (Image credit: NASA/WMAP Science Team) ...

The Big Bang is the cosmological model of the universe whose primary assertion is that the universe has expanded into its current state from a primordial condition of enormous density and temperature.