Tags: universe

What Existed Before the Big Bang?

It is difficult enough to imagine a time, roughly 13.7 billion years ago, when the entire universe existed as a singularity. According to the Big Bang theory, one of the...

Alien life an almost certainty, expert says

NASA is committed to finding life in the universe and a new study suggests it «could be common,» when taking into account how life’s building blocks spontaneously form throughout the...