Our universe might be really, really big — but finite. Or it might be infinitely big. Both cases, says physicist Brian Greene, are possibilities, but if the latter is true, so is another posit: There ...

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

The many worlds interpretation suggests that every decision creates parallel universes, meaning infinite alternate realities exist alongside our own. Trump reveals congressman’s health diagnosis: ...

Brianna Smart does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

For decades physicists have been perplexed about why our cosmos appears to have been precisely tuned to foster intelligent life. It is widely thought that if the values of certain physical parameters, ...

Are you ready for the metaverse? Or should that be the multiverse? Since both are being described as “parallel worlds” you’re naturally confused about the two concepts. Don’t be. Despite all the ...