As the Big Bang became accepted scientific theory, the oscillating universe theory faded away. But some physicists, like Paul Steinhardt and Neil Turok, have picked the idea up again, modified it ...

While this is not the only modern theory of how the Universe came into being – for example, there is the Steady State Theory or the Oscillating Universe Theory – it is the most widely accepted ...

Most astronomers believe the universe began 13.8 billion years ago in an explosion called the Big Bang. Other theorists have invented alternatives and extensions to this theory.

Many know the phrase "the big bang theory." There's even a top television comedy series with that as its title. According to scientists, the universe began with the "big bang" and expanded to the ...

In this excerpt from his acclaimed book, The Elegant Universe, Brian Greene explains why string theory might hold the key to unifying the four forces of nature.

Cosmologists have predicted the existence of an oscillating signal that could distinguish between cosmic inflation and alternative theories of the universe’s birth. The leading hypothesis about the ...

Theoretical physicists from the University of North Carolina suggest that the universe was not created in a Big Bang but, rather, expands and contracts in an endless (infinite) cycle. American ...

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.