You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative ...

From this poetic scenario arose today’s big bang ... to look like one of his greatest successes. Astronomers had assumed that gravity is gradually slowing the expansion of the universe.

People talk about the universe starting with a Big Bang, but how could ... What would the universe look like then? In 1964, Arno Penzias and Robert Wilson did exactly that. And they did it by ...

How, and why, did we come to be? Why does the Universe take the shape it does? To understand our place in the cosmos, we look ... before the end of the first Planck time after the Big Bang began ...

These theories aim to address questions the Big Bang does not fully resolve, keeping the debate about the universe’s origins alive and dynamic. Related: What happened before the Big Bang?

Neil Turok, renowned cosmologist and Higgs Chair of Theoretical Physics at the University of Edinburgh, suggests a mirror universe existed before the Big Bang, moving backward in time. This bold ...

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.

He was, like most ... 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 ...