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 ...

The manuscript pages have been very carefully handled before scanning. (Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory) Researchers are painstakingly reconstructing the oldest-known ...

Here’s what you’ll learn when you read this story: Researchers using a synchrotron at the SLAC National Accelerator Laboratory have been able to recover pieces of the Hipparchus star catalog that had ...