Gravitational waves may have provided the first evidence of tiny primordial black holes born during the Big Bang, which could ...

What Came Before The Big Bang?

For decades, scientists have relied on a popular idea referred to as cosmic inflation to explain how the universe began and why it looks the way it does today. This theory suggests the universe ...

The Large Hadron Collider has given scientists their best look yet at the primordial matter that filled the universe moments ...

Scientists at the University of Waterloo have uncovered a bold new way to explain how the universe began—one that could ...

A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the Big Bang has always ...

Imagine we had somehow filmed the whole history of the universe and you could play the movie in reverse. It would start off much as things stand today: a vast and elegant web of galaxies and nebulae.

Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early universe when the first stars and ...

Season 6 of "The Big Bang Theory" saw Howard Wolowitz explore the upper reaches of outer space — but the actor who played him, Simon Helberg, stayed firmly on the ground. In the first four episodes of ...