WASHINGTON — By some estimates, the known universe may contain as many as 2 trillion galaxies, with the average galaxy holding approximately 100 million stars and untold numbers of planets. But ...

In cosmology, the study of the universe and how it came to be this way, the idea is that after the Big Bang, the early universe grew very quickly — increasing in volume by a factor of around 10 ...

WHAT CAN THE MULTIVERSE DO FOR ME RIGHT NOW? The next time you’re on a date with someone who doesn’t seem to be digging it, try telling them that, in the next universe over, they’re deeply ...

A new theory published late last year is offering an explanation as to why our universe is expanding at an accelerating rate: Merging with "baby" universes.

What if time were the only truly fundamental dimension of our Universe? A recent theory proposes a radically different vision of reality, where time has three dimensions. This approach challenges ...

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

The universe is a massive place, with galaxies well beyond our own. However, some also hypothesize that there may be more than one universe. The multiverse theory essentially suggests that our ...

Inspired by superconductivity, a strange new theory that seeks to explain dark matter might explain dark energy, too ...

But even in this foam-like collection of bubble universes, time still does its thing. That is, it moves forward, always. Even if you could concoct some scheme to travel among the alternate universes, ...

Are we living in “The Matrix” in real life? In the 1999 science-fiction film, Neo discovers that the universe is a simulation — but one scientist believes that the idea isn’t all fiction ...