A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the ...

It was mighty quiet in our Universe: devoid of all matter and energy. Then another universe collided with it. Suddenly space became a searing soup of particles and radiation, far hotter and denser ...

Standard cosmology — that is, the Big Bang Theory with its early period of exponential growth known as inflation — is the prevailing scientific model for our universe It suggest that he entirety of ...

Just as ocean waves shape our shores, ripples in space-time may have once set the Universe on an evolutionary path that led to the cosmos as we see it today. A new theory suggests gravitational waves ...

Add Yahoo as a preferred source to see more of our stories on Google. A new model suggests the Universe began inside a black hole that rebounded into expansion, rewriting the story of cosmic origins. ...

The mysteries surrounding the origins of the universe have long intrigued scientists and philosophers alike. New research, published in the Living Reviews in Relativity, introduces an innovative ...

The accelerating expansion of the Universe might not be just an unexplained phenomenon — according to a new proposal by theoretical physicists, it could be a fundamental feature woven into the very ...

A 2,000-page monograph series proposes a new conceptual framework connecting quantum physics, gravitation and cosmological evolution.

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question. Called SPHEREx, and set for launch on a SpaceX ...

About 13.8 billion years ago, the origin of the universe began with the Big Bang. Scientists say all space, time, matter, and ...