New research that used imaging from the James Webb Space Telescope gives credence to a scientific theory that says the Milky Way is inside of a black hole ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

In a book to be published this October, physicist Paul Halpern will explain how to build and use a cosmic wormhole as an interstellar shortcut to distant parts of the universe, or to travel backward ...

Realizing that wormholes could also be used as time machines ... from the emptiest regions of the universe to the earliest moments of the Big Bang to the hunt for the first stars.