Is there an infinity of infinities? The question sounds almost absurd, like a child’s riddle meant to twist your brain into ...

Have you even thought deeply about Buzz Lightyear's famous catchphrase from the "Toy Story" movies? Probably not. But maybe you've sometimes looked up at the night sky and wondered about the nature of ...

This is an installment of Reading Reddit, a Slate pop-up blog about Reddit. In the beginning, there was 1. Then, there was 2. Soon after that, there was 3, and 4, and ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in the concrete language of algorithms.