The Big Bang Theory explains how the universe began. The Big Bang Theory stands as the most widely accepted explanation for the origin of the universe. According to this theory, the universe began ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

This theory aligns well with observations of the cosmos such as the cosmic microwave background (CMB) and the ages of the oldest stars.

There is zero evidence for other universes. So the biggest misconception about the multiverse is that it’s a bone fide theory that’s been proven. “It isn’t—it doesn’t really have a ...

A new theory published late last year is offering an explanation as to why our universe is expanding at an accelerating rate.