Researchers have deciphered a long-lost text written by the ancient astronomer Claudius Ptolemy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

It was only natural for Alexander Jones to feel thrilled when he saw a sixth-century palimpsest at the Ambrosiana library in Milan for the first time. It happened in 1984 when Jones was working on his ...

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.

Astronomy, the oldest of natural sciences, has changed often throughout history depending on general knowledge, geographical region and culture. The earliest practitioners of astronomy were early ...