Science is always an unfinished project. That’s what makes it so much fun. The process—collecting data, building models to explain how the world works, and then dethroning them with new models—is full ...

Four centuries ago, Johannes Kepler established three laws of planetary motion that accurately describe how planets in the solar system orbit the Sun. That might be enough for most; however, befitting ...

An illustration of Kepler’s three laws of planetary motion: 1. The orbit of a planet is an ellipse with the Sun at one of the two foci. 2. A line segment joining a planet and the Sun sweeps out equal ...

The Kepler telescope, which has provided so much information on planetary bodies outside our solar system, was not idly named. Johannes Kepler, who the telescope was named for, was a German astronomer ...

Nowadays we associate Johannes Kepler with his famous laws of planetary motion. But the history of his discoveries is a drama of Shakespearian proportions - full of intrigue, passion, depravity and ...