Simulations based on Einstein’s theory of relativity test scenarios that might have preceded the Big Bang, to observe the ...

It will take the most sensitive instruments ever imagined to reveal ripples from the Big Bang, but they could change our understanding of the entire universe.

In fact, scientists think that the Big Bang did not happen at a single location in space. It occurred everywhere at once. This is a challenging concept to grasp, but Arthur Eddington offered an ...

The evidence for the Big Bang is overwhelming, but we cannot describe what goes on in that event. We can’t accurately call it ...

Our universe may have another mirror universe on the other side of the Big Bang running backwards in time, physicist hypothesize.

Big Bang theory, in science, is the idea that all the matter and energy of the Universe was once crushed into a single point, a single infinitesimal granule of everything.

A study published this week in an astronomical journal suggests our universe could be 26.7 billion years old, or about twice as old as we thought.

New research suggests that primordial black holes could have played an important role in the formation of the universe's first stars, but did they help or hinder?

Forget one Big Bang — try many. A bold new theory pokes holes in the popular origin story, suggesting the universe evolves through a series of lightning-fast bursts, rewriting what we know about ...