We don’t know for sure, but the answer is inextricably linked to the moment when water first materialized in the cosmos — and ...

It suggests that dark matter originated during the infinitesimally short span before the Big Bang when the Universe suddenly expanded to a large extent. In 1981, physicist Alan Guth proposed the ...

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

Marcus du Sautoy, mathematician and author of The Great Unknown, explained why we don't really know what happened before the Big Bang. He told Business Insider: "We’re really not too sure and in ...

Primordial supernovae got the ball rolling a quick hundred million years or so after the start of the universe.

The biggest stories of the day delivered to your inbox.

A team of scientists from the University of Portsmouth has made a discovery that could revolutionize our understanding of the origin of life in the universe. According to a study led by astrophysicist ...

In the primordial darkness, after the Big Bang, nothing drifted but a vast sea of hydrogen and helium. It wasn't until stars ...

Caltech theoretical physicist Sean Carroll explores what existed before the Big Bang in his new book, "The Big Picture." Produced by Delano Samuels and Jessica Orwig Follow BI Video: On Twitter ...