The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

For centuries, mathematicians have categorized infinities into a kind of ladder. The infinite set of natural numbers (1, 2, 3 ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...

While the concept of infinity may seem mysterious, mathematicians have developed processes to reason the strange properties of infinity. Mathematician Emily Riehl has been challenged to explain ...

It turns out a monkey – given an infinite amount of time and a typewriter – wouldn't be able to write Shakespeare before the universe ends, according to a new study. HARRY SHEARER: (As Charles ...

Could a traveler at light speed ever hit the universe’s edge? Historically, we thought the cosmos had limits; today, we question if it might loop back on itself. In this film, we explore modern models ...

Unfortunately, any work you do in the universe will have to be done the old-fashioned way. There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this ...

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 ...