Lost notes reveal Galileo closely studied the ancient Greek astronomer Ptolemy, offering fresh insight into his early scientific thinking.

Handwriting analysis determined that the famed astronomer made notes in this copy of the ancient Greek text in the 1590s, decades before his own observations via telescope revolutionized our ...

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

The renowned physicist, mathematician, and philosopher would later reject the ideas presented in this very book.

Found in a 16th-century copy of an ancient astronomy treatise, the annotations suggest that the trailblazing scientist ...

SCREF copy Purchased with Adopt-a-Book funds. The Greco-Roman mathematician Claudius Ptolemy is one of the most significant figures in the history of science. He is remembered today for his astronomy, ...