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 rare manuscript is believed to be one of only 277 known copies of Copernicus' book worldwide. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Chris Lintott tries to observe everything from asteroids zipping through the Solar System, to distant galaxies. The way the cosmos reveals its secrets is a story, he thinks, deserves an audience. Luck ...