"The Big Bang Theory" brought us an unforgettable mix of science, friendship, and laughter that we're still talking about 18 ...

The Big Bang Theory explains how the universe began. The Big Bang Theory stands as the most widely accepted explanation for the origin of the universe. According to this theory, the universe began ...

The Big Bang Theory aired its first episode on 24th September 2007.

Others took notice and named his theory "big bang." LeMaitre's ideas opened more questions, many of which forced physics and astronomy together: What was that primordial atom like? Why would it ...