Albert Einstein’s general theory of relativity has been wildly successful at describing how gravity works and how it shapes the large-scale structure of the universe. It’s summed up in a saying by the ...

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 ...

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 ...