Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...

With modern GPS, we often don’t think too hard about how to navigate, but GPS does not work very well on the open sea. That ...

Besides being one of the first major cartographers in Western history, Ptolemy was also an astronomer, a chemist, and a mathematician. A well-rounded man of science, Ptolemy likely worked in the ...

Generally, the nights of and near the new moon – when the moon is not illuminated – are better for most stargazing experiences. Here are the dates of new moons this year.

The astronomy of Hisparchus and Ptolemy taught them the order, nature, and motions of the heavenly bodies, which it had arranged in systems of eccentrics and epicycles; the inclination of the ...

The influence of Greek astrology can be seen in the writings of the renowned Egyptian astronomer and astrologer, Claudius ...

Greek astronomer Claudius Ptolemy, who lived in Egypt, built upon Babylonian knowledge in his geocentric model of the ...

Greco-Roman astronomer Ptolemy listed 48 constellations. Today the International Astronomical Union recognizes 88 constellations. Asterisms are also pictures in the sky formed by star groups. They ...

Born around 350–370 AD, she was a Greek Neoplatonist philosopher, astronomer, and mathematician who lived in ... significant contributions to Ptolemy’s Almagest, and the advocacy for a philosophy of ...

Artifacts found at the tombs included bronze coins with the image of Alexander the Great dating to the Time of Ptolemy I (367-283), children's toys made of clay, cartonnage and funerary masks that ...