A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

What if there’s another you living a totally different life right now? Scientists think it’s possible! From the Eternal Inflation theory to Many-Worlds quantum mechanics, physics suggests our universe ...

On the borderlands of early civilizations, people who considered one another alien met in moments of trade, warfare or simple human curiosity.

A destructive A.I., like a nuclear bomb, is now a concrete possibility; the question is whether anyone will be reckless ...

The many worlds interpretation suggests that every decision creates parallel universes, meaning infinite alternate realities ...

The Octagon Earthworks here speak to us from 2,000 years ago — and they speak to the fraught cultural moment in which we find ...

By imperilling a paper on gender-transition interventions for youths, evidence-based medicine expert Dr. Gordon Guyatt joins a wider suppressive ...