After Albert Einstein published his special theory of relativity in 1905, he spent the next decade trying to come up with a theory of gravity. But for years, he kept running up against a problem. He ...

In this 100th anniversary of Albert Einstein’s theory of relativity, it’s worth noting the importance of relative value in baseball. Devoid of context, most ballplayers can be made to look like stars.

I rarely write much about it in my research papers, but every piece of science I have ever done either assumes the correctness of general relativity – our most fundamental theory for explaining ...