The ancient Greek astronomer Hipparchus discovered the precession of the equinoxes, invented the stellar magnitude scale, discovered a nova, and made accurate planetary observations. He also compiled ...

The ancient Greek astronomer Hipparchus catalogued the coordinates of the stars. Now, his efforts have finally been uncovered. This cross-fade montage shows a detail of the palimpsest under ordinary ...

Fragments of a star catalog from the second century B.C. have turned up in a manuscript that had been erased and written over centuries later. A new analysis of the religious manuscript shows that the ...

Researchers believe they may have found a fragment of a long-lost star map compiled by the ancient Greek astronomer Hipparchus, who made the earliest known attempt to chart the entire night sky. In a ...

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 ...

The discovery has also revealed star coordinates, meaning Hipparchus was the first to use them for determining the positions of those stars. When you purchase through links on our site, we may earn an ...

Researchers used multispectral imaging to reveal the hidden text (which is traced in yellow above). Courtesy of the Museum of the Bible Collection. All rights ...

The Greek astronomer Hipparchus is often called the “father of astronomy.” He’s credited with discovering the Earth’s precession (how it wobbles on its axis) and calculating the motions of the Sun and ...

Jo Marchant is a freelance science writer based in London. A medieval parchment from a monastery in Egypt has yielded a surprising treasure. Hidden beneath Christian texts, scholars have discovered ...

In a sunlit gallery of the Museo Archeologico Nazionale in Italy, astronomer Brad Schaefer came face to face with an ancient statue known as the Farnese Atlas. For centuries, the 7-foot marble figure ...

Add Yahoo as a preferred source to see more of our stories on Google. Scholars discovered the oldest known star map beneath the text of a Christian manuscript, according to new study. The long-lost ...