And if the universe had a beginning, what was going on before that? Our experience of the everyday world does not prepare us to grasp the concept of an infinite universe. And yet, trying to ...

The crew turned to the multiverse. The multiverse concept assumes that our universe exists as part of an ensemble of perhaps infinite universes, each with its own distinct characteristics, including ...

"Non-trivial text generation during the lifespan of our universe is almost certainly impossible," the researchers said.