Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

In the early seventeenth century, Copernicus' concept of a heliocentric universe was further developed by the great German mathematician Johannes Kepler - the first true astrophysicist.

And yet, he changed the course of human intellectual history. The man at the center of this story is none other than Johannes Kepler (1571–1630), the scientist who discovered that planets orbit ...

When we are talking about astronomy, it is hard to not mention Johannes Kepler. A German astronomer and mathematician, Kepler was one of the central figures in the scientific revolution of the ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

A new book by UC Santa Cruz astrophysicist and visual artist Nia Imara debuts on Feburary 25 that explains the universe and ...