The universe is a strange, beautiful place—rich with possibilities and governed by the odd rules of quantum mechanics. One of the most mind-bending ideas from this realm is the many-worlds ...

A mind-bending theory called quantum immortality suggests that your consciousness shifts to parallel universes after you die.

A series of viral social media posts drew attention to an old cosmological theory-that our universe began from a collision ...

Recent discoveries have reignited excitement and curiosity in the scientific community, suggesting the possible existence of parallel universes. Scientists are delving into evidence and theories ...

Columnist Natalie Wolchover examines the latest developments in the “forever war” over whether string theory can describe the ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called “Is the end in sight for theoretical physics?” Hawking, who later became my ...