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

In January, while examining ancient texts at Italy’s National Central Library of Florence, historian Ivan Malara found an unexpected set of handwritten notes. He was reviewing a 1551 printed edition ...

Galileo Galilei’s quote, "All truths are easy to understand once they are discovered; the point is to discover them” reminds ...

Galileo Galilei, a pivotal figure in the scientific revolution, revolutionized astronomy and the study of motion with his telescopic discoveries and formulations of key physical laws. Despite his ...

Historian Ivan Malara has identified handwritten annotations by Galileo Galilei in the margins of a roughly 500-year-old copy ...

Notations made in the margins of a 16th century edition of Ptolemy’s The Almagest were likely scrawled by an auspicious author: Galileo Galilei Handwriting analysis determined that the famed ...

Sibylle Anderl (Self)Rafaele Dessi (Self)Riccardo Giannini Nalan Han Luciano Romer Gaetano Tizzano Constantin von Westphalen (Speaker) Eike Schmitz Mathematician, physicist, geometer and astronomer, ...

Galileo Galilei, the 16th century Italian astronomer, philosopher and mathematician who did much to advance the scientific method, had a loyal daughter who showed similar intellectual talent and yet ...

Few figures shine as brightly as Galileo Galilei, an Italian philosopher whose contributions to astronomy revolutionized the understanding of the stars. "Galileo Galilei (1564–1642) has always played ...