Lost notes reveal Galileo closely studied the ancient Greek astronomer Ptolemy, offering fresh insight into his early ...

Hypatia, one of the greatest philosophers of Alexandria, was admired for her ideas but was brutally murdered for them by ...

In a monastery library on the Sinai Peninsula, a devotional handbook by the monk John Climacus sat quietly for centuries while a far older scientific treasure hid beneath its ink. Medieval scribes had ...

A little more than a thousand years ago, monks at Saint Catherine’s Monastery in Egypt’s Sinai desert removed Western Palestinian Aramaic and Greek writing from animal-skin parchments. They replaced ...