More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a ...

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 ...

The star catalog was made by ancient Greek astronomer Hipparchus around 162 and 127 BCE, 1,400 years before the telescope. By Laura Baisas Published Oct 20, 2022 1:00 PM EDT Get the Popular Science ...