The Big Bang Theory explains how the universe began. The Big Bang Theory stands as the most widely accepted explanation for the origin of the universe. According to this theory, the universe began ...

Seconds after the Big Bang, the Universe exhibited an astonishing simplicity ... However, there is no evidence for primordial vector or tensor perturbations, nor for cosmic defects.

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

ESS1.A: The Universe and Its Stars The Big Bang Theory is supported by observations of distant galaxies receding from our own, of the measured composition of stars and non-stellar gasses, and of the ...

In the beginning, the Universe was created. This has made a lot of people very angry and been widely regarded as a bad ...

People talk about the universe starting with a Big Bang, but how could we possibly know anything about an event that happened billions of years ago – before our planet was even formed?

Is our Universe really the only one? A new theory that hopes to solve one of the biggest problems in physics, may have rewritten our perception of time, and found a way through the Big Bang.

Others took up the big bang theory, and for several years there were strong debates between those supporting it and those who favored a "steady state" theory of the universe, in which the universe ...

they may have unleashed enormous amounts of water that flooded the early universe — and potentially made life possible just millions of years after the Big Bang, new simulations suggest.