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 ...

"There was a time when ‘universe' meant ‘all there is,' " writes Greene, but soon we may have to redefine that word, along with our own meager understanding of the cosmos. A theoretical physicist and ...

Quantum mechanics features heavily in our readers’ answers here, which also consider if there could be a universe larger than ours, such that ours is a subatomic particle by its standards You seem to ...