In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an ...

An ancient book on astronomy from the 1500s sold for more than £10,000 ($12,200), as a "private international buyer" triumphed over intense competition at a U.K. auction. The Castle of Knowledge by ...

The Greek astronomer Hipparchus, who lived around 120 BCE, usually gets credit for discovering the equinoxes and their relationship to the zodiac constellations. But in a controversial new study, ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. Long before anyone could download a stargazing app or buy a telescope from a department store, ancient ...

Astronomers in the 16th through 19th centuries used to wear rings that unfolded to become instruments used for calculations. The rings, which looked like normal finger rings, were actually armillary ...

How did Egyptians know how to build the pyramids? Ricardo Liberato/wikimedia, CC BY-ND Ever since humans could look up to see the sky, we have been amazed by its beauty and untold mysteries. Naturally ...

An astrophysicist has shed new light on how the ancient Egyptians viewed our galaxy thousands of years ago. In an "exciting" study published in the Journal of Astronomical History and Heritage Or ...

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...