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 ...

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 ...

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 ...

That burst of inflation in our universe is, of course, key evidence for our universe having emerged from a hot, dense point—the Big Bang. However, what happened before the Big Bang—and whether ...

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After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

"In this scenario the universe before the Big Bang and the universe after the Big Bang is reinterpreted as a universe/anti-universe pair that is created from nothing," the authors of the paper wrote.

People talk about the universe starting with a Big Bang, but how could we possibly know anything about an event that happened billions of years ago – before our planet was even formed?

The British scientist, who also made cameos in The Simpsons and Star Trek - had appeared in The Big Bang Theory before. Thursday night's episode marked the end of the show's 11th season.