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 ...

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades.

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. Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of ...

Physicists are scrambling to understand why dark energy is weakening. In a surprising twist, we must now reconsider the ...

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 ...

In Paul Steinhardt’s corners of the cosmology world, to say that history repeats itself would be a laughable understatement. That’s because according to him and a handful of peers, the universe’s form ...

Is the universe 'tuned' to support life, and ultimately us? Physicists Nemanja Kaloper and Alexander Westphal have proposed ways to test this Anthropic principle. (Image of deep star field from the ...