What lies beyond the edges of the observable universe? Is it possible that our universe is just one of many in a much larger multiverse? Movies can’t get enough of exploring these questions.

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 ...

If we live in the Many Worlds universe, we create new worlds or universes all the time. Every time we make a decision or choose a particular path, some version of us simultaneously chooses an ...

Our universe seems to be perfectly suited for life. But anyone who claims that's evidence of a multiverse is falling prey to a logical fallacy. When you purchase through links on our site, we may ...

If the universe had holes—and therefore also loops—this fact should be reflected in the data of the cosmic background radiation. Yet in searches from the 2000s and 2010s, experts found nothing.

We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most ...

If we can see at most 3% of the universe, how can we estimate the total number of galaxies in it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Physicists have long grappled with the question of why the universe was able to support the evolution of intelligent life. The values of the many forces and particles, represented by some 30 so ...