Nicolaus Copernicus was the first to demonstrate that the earth orbited the sun, upsetting the prevailing notion that the earth was the center of the cosmos. But the Polish astronomer died in ...

A hunt for historical treasures led to a hidden chamber ... and the find of a lifetime.

When the European astronomer Nicholas Copernicus theorized in the early sixteenth century that the sun, rather than the earth, was at the center of the universe, it was a key moment in the Renaissance ...