Relativity, comprising Albert Einstein’s theories of special and general relativity, revolutionized our understanding of space, time, mass, energy, and gravity. Special relativity introduces the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Although Einstein's theories suggest nothing can move faster than the speed of light, two ...

Some enmities are so powerful, they could never be resolved. Bette and Joan. Batman and the Joker. Hamilton and Burr. It was starting to look like that list would include general relativity and ...

At least 3,700 years ago,Babylonian mathematicians approximated the ratio of a circle’s circumference to its diameter. They inscribed their answer, the first discovered value of pi, on a humble clay ...

I’ve been getting lots of emails and tweets about a young man named Jacob Barnett, a 12-year-old who is apparently a math genius. He’s been getting a lot of press lately because he’s tackling some ...

A framework that relies on college-level mathematics could describe what happens to particles in so-called spacetime rips, gravity fluctuations such as those that occur during the birth of a black ...

Einstein’s theories of relativity reshaped physics, but some of their implications are stranger than even he anticipated.