A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead formed inside a colossal black hole.

White holes could be doorways to distant regions of the universe—or to other universes entirely.

We all know about black holes, those cosmic vacuum cleaners that suck in anything (including light) that gets too close. Well, what about the opposite: white holes?

Maybe white holes function as multiversal drain plugs that keep our universe’s physical and dark matter from leaking out through black holes.

In the 1960s, physicists began to uncover something both perplexing and exciting within Einstein's equations: the possibility of white holes. These theoretical cosmic objects are the complete ...

White holes are mathematically possible, according to general relativity. But does that mean they're actually out there?

Did the universe begin with a black hole in a higher-dimensional reality? Depending on your level of cynicism, that question sounds like either an exciting idea or something you might hear from ...

The universe is emerging from a white hole. The opposite of a black hole, a white hole throws matter out instead of sucking it in. The shockwave and the universe beyond the black hole lies in our ...

Dark matter is one of the biggest puzzles in science. Although it makes up about 85 percent of all matter in the universe, it ...