The universe is where everything, known to all of mankind, is. The Universe has fascinated the ancients. Where did we come from? How was the universe formed. Many religions proclaim that God created the Earth and the Heavens. But we want to know how was it created. According to Charles Darwin's theory of evolution we think that we are descended from apes. (Please see evolution for details. But Darwin had another theory. One that states that the universe was always here. But everything is created from something.So how was the universe created. THe universe was created by a process called the Big Bang.
The Big Bang
The Cosmic Microwave Background (CMB) is how most scientist believe is how the universe we know formed. Edwin Hubble discovered on day that some galaxies were moving away from us. This was a revolution in the history of science. But no one payed attention to him. But soon he was proven right.
What is the universe
The Universe is basically everything that we see. We live in the Universe. There may be other universes we do not know.