According to NASA, comets are cosmic snowballs of frozen gases, rock, and dust that are left over from the formation of the ...

More recently, a manuscript once thought to be penned by Claudius Ptolemy, the renowned Egyptian mathematician and astronomer ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...

In the relatively starless gap bordered by the constellations Pegasus, Delphinus, and Aquarius is the obscure constellation ...

Indian astrology, deeply rooted in the Vedic traditions, has a history that intertwines spirituality, mathematics and cosmic ...

Ptolemy's Almagest is one of the most influential scientific works in history. A masterpiece of technical exposition, it was the basic textbook of astronomy for more than a thousand years, and still ...

ATLAS, recently discovered by astronomers from China and South Africa, will make its closest approach to Earth. This ...

Ptolemy, Astronomer “The cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us ...

Today: Comet Tsuchinshan-ATLAS moved into the evening last week. It will be visible in the evening west-southwestern sky for ...

Surrealist sculpture meets high fashion wearable art with the limited-edition Jean Arp Ptolémée II pendant by Celine.

Read More View Book Add to Cart Kepler's Physical Astronomy Bruce Stephenson From Hipparchus and Ptolemy in the ancient world, through Copernicus and Brahe in the sixteenth century, astronomers had ...

Astronomy is arguably the oldest science, and has featured strongly throughout the history of Nature — the first quasar, the first exoplanet, the nature of spiral nebulae, to name but a few of ...