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 ...

Archaeologists have recently made a groundbreaking discovery: a stone carving that appears to be an ancient map of the stars. This finding, which dates back thousands of years, provides invaluable ...

Scientists are using X-ray imaging to recover erased astronomical text, hoping to find fragments from Hipparchus’s star catalogue. Courtesy Jacqueline Ramseyer Orrell/SLAC National Accelerator ...

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 ...

At SLAC National Accelerator Laboratory in Menlo Park on Wednesday morning, researchers focused a powerful X-ray machine on pages of parchment from a medieval desert monastery, looking to reveal ...

China’s Large High Altitude Air Shower Observatory (LHAASO), a major scientific infrastructure, has released groundbreaking results from its "Mini Survey of the Milky Way" program. With unprecedented ...

If you explore the night sky it won't be long before you realize there is a lot of dust and gas up there. The interstellar dust between the stars accounts for 1% of the mass of the interstellar medium ...

Historical observations by Tycho Brahe (1572) and Johannes Kepler (1604) documented the transient appearance of "new stars," later identified as supernovae, which profoundly challenged prevailing ...

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 ...