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, ...

Researchers have deciphered a long-lost text written by the ancient astronomer Claudius Ptolemy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Ground-breaking books by Copernicus, Kepler and Galileo showed what our cosmos truly looked like, inspiring artists and scientists for centuries afterwards ...