Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Humans have always been fascinated with space. We frequently question whether we are alone in the Universe. If not, what does ...

What if the universe’s secret wasn’t hidden in a black hole or trapped in quantum foam, but coiled up literally in a tortilla? That’s the taste of the most recent cosmic controversy, as ...

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 ...

Image made with elements from Canva. It’s March 14, or Pi Day, that day of the year where we celebrate the ratio that makes a circle a circle. The Greek letter that represents it is such a part of our ...