Not only will Friday’s total lunar eclipse be a Blood Moon, but it also lands on Pi Day! Grab a blanket—it won’t be freezing, ...

Simply put, pi is a mathematical constant that expresses the ratio of a circle’s circumference to its diameter. It figures into numerous formulas used in physics, astronomy, engineering and other ...

Can certain math puzzles always be solved using a set of allowed moves, like rearranging or undoing steps? “It’s like trying to find your way through a maze the size of Earth. These are very ...

Imagine a piece of string wrapped around the Earth's equator - that's about 40,000km. How much MORE string would you need for it to sit 15cm above the ground, all the way around? The important ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...