Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

A revolutionary new model, gaining traction among physicists, suggests our entire universe might be a vast, expanding black hole that emerged from the collapse of a larger, older "parent" universe.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The universe is generally referred to as infinite, unknown, and limitless. With over 2 trillion galaxies and millions of stars and planets, the universe is so enormous that it stretches the boundaries ...