Scientists are finding more evidence that there are parallel universes-- parallel, but different to our own. Remember that show "Sliders?" Like that... Kind of. Trace breaks down what this could mean.

Read More: Scientists revise Big Bang theory: there may be multiple universes "A NEW examination of what is essentially the universe's birth certificate allows astronomers to tweak the age, girth and speed of the cosmos, more secure in their knowledge of how it evolved, what it's made of and its ultimate fate." Does the Multiverse Really Exist? "Proof of parallel universes radically different from our own may still lie beyond the domain of science." Planck Reveals An Almost Perfect Universe "Acquired by ESA's Planck space telescope, the most detailed map ever created of the cosmic microwave background - the relic radiation from the Big Bang - was released today revealing the existence of features that challenge the foundations of our current understanding of the Universe."