Has the universe a beginning or was it here since forever? Well, evidence suggests that there was indeed a starting point to this universe we are part of right now. But how can this be? How can something come from nothing? And what about time? We don’t have all the answers yet so let’s talk about what we know.
Previously on this site: Take a trip through The Solar System — our home in space, plus more about The Big Bang, including Carl Sagan’s cosmic calendar and the last five minutes of How the Universe Works: Extreme Stars.