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

In this analogy, you can begin to understand why there is no "origin point" for the Big Bang: Nothing left the pinhead where it began; the pinhead point got exponentially bigger. This is one of ...

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?

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 ...