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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The September 2025 issue featured "A guide to beginner's guides," a reminiscence and description of some the books for astronomy ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." These days, high-tech cameras and sensors enable modern astronomers to do everything from hunting for ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...

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 ...

The Historical Astronomy Division (HAD) of the American Astronomical Society (AAS) has awarded its 2011 Donald E. Osterbrock Book Prize to Nathan Sivin for his landmark volume “Granting the Seasons: ...