Ancient Greek astronomers made important observations regarding the night sky long before the first ...

At SLAC National Accelerator Laboratory in Menlo Park, scientists from across the globe are using advanced X-rays to find a long-lost map of the galaxy by ancient Greek astronomer Hipparchus.

Researchers using a synchrotron at the SLAC National Accelerator Laboratory have recovered pieces of the Hipparchus star catalog that had been overwritten.

In a monastery library on the Sinai Peninsula, a devotional handbook by the monk John Climacus sat quietly for centuries ...

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe around them. The meticulous star catalog belonging to one of the best of these ...

Surrounded by metal pipes and tangles of cables, two researchers point to bright orange squiggles on a computer screen. The squiggles are a poem written in ancient Greek about heavenly phenomena, seen ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...

Prior to computer technology, how did astronomers so precisely predict solar eclipses? Kurt PetersenSheboygan Falls, WI What ...