Ibn-al-shatir's lunar model from which Copernicus is reported to have borrowed in composing his cosmological model. Credit: This work is in the public domain in the United States. New research has ...

Using ground-penetrating radar, researchers discovered an underground chamber containing a 500-year-old compass near Copernicus’ burial site. The compass resembles the one often depicted with ...

The publication of Copernicus' model in his book De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres), just before his death in 1543, was a major event in the history of ...

Ibn-al-shatir's lunar model from which Copernicus is reported to have borrowed in composing his cosmological model. Credit: This work is in the public domain in the ...