The notion of infinity is fundamentally beyond the human ability to comprehend, but that hasn’t stopped mathematicians from trying. So just what is infinity, and why is there more than one of them?

NEW YORK — Despite being in existence for more than 2,000 years, the concept of infinity has endured as an enigmatic, and oftentimes challenging, idea for mathematicians, physicists and philosophers.

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You can't get any bigger than infinite, right? Well, kind of. Late in the 19th century, German mathematician Georg Cantor showed that infinite comes in different types and sizes. Scientific American ...

This problem of infinity was pondered by Georg Cantor. What he concluded started him down a road that wound through infamy, through respectability, and wound up in theology. Find out more than anyone ...

When mathematician Georg Cantor first glimpsed the true nature of infinity, it changed mathematics forever. He demonstrated that infinity isn’t just endless; it exists in different sizes, each opening ...

“INFINITY,” wrote the schoolboy, “is the place where things happen that don't.” Similar opinions concerning the paradoxes which arise from the consideration of the infinite and the infinitesimal have ...

What is the largest natural number possible? By using the word natural, I have ruled out the possibility that you simply answer infinity (∞) to torpedo the guessing game. But even if we allowed ...