Researchers believe they may have found a fragment of a long-lost star map compiled by the ancient Greek astronomer Hipparchus, who made the earliest known attempt to chart the entire night sky. In a ...

The Greek astronomer Hipparchus is often called the "father of astronomy." He's credited with discovering the Earth's precession (how it wobbles on its axis) and calculating the motions of the Sun and ...

The discovery has also revealed star coordinates, meaning Hipparchus was the first to use them for determining the positions of those stars. When you purchase through links on our site, we may earn an ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Fragments of one of the first-ever star catalogues—created ...