Of all the patriarchs of science, Johannes Kepler is the least known. We often talk of Isaac Newton and his law of universal gravity (and laws of motion, and the calculus, and laws of optics), of ...

The early-17th-century astronomer Johannes Kepler defined the basic rules governing planetary motion. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

If Johannes Kepler were alive today, he’d be celebrating the 6,993rd birthday of the universe. The German mathematician and astronomer, considered one of the founders of modern science, predicted in ...