Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing group of physicists is treating it as a possible glitch report from the fabric ...

Anyone who’s a fan of ‘The Matrix’ might wonder whether what we see is, in fact, reality. If you get an overwhelming feeling of déjà vu, don’t panic—an Agent will soon be with you.

The simulation hypothesis is a modern attempt to use logic and observations about technology to finally answer these ...

Zeb Rocklin 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 their ...