A Greek star catalog from the dawn of astronomy, revealed

A hidden astronomical catalog has been uncovered in a particle accelerator experiment

A researcher shines a handheld light across fragile parchment containing handwritten text.

A lamp illuminates Syriac writing on a parchment from the 9th or 10th century A.D., beneath which hides erased text about the ancient sky.

Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory

Surrounded by metal pipes and tangles of cables, two researchers point to bright orange squiggles on a computer screen.