Astronomy: Did you mean...?

Calliope (also spelt Kalliope) is the Muse of epic poetry and heroic song in Greek mythology. She is considered the leader of the Muses and the most honoured of them all. She is often represented in art with a tablet on her knee and a stylus...

The Neo-Assyrian Empire (912-612 BCE) was the final stage of the Assyrian Empire, stretching throughout Mesopotamia, the Levant, Egypt, Anatolia, and into parts of Persia and Arabia. Beginning with the reign of Adad Nirari II (912-891 BCE...

A quipu (khipu) was a method used by the Incas and other ancient Andean cultures to keep records and communicate information using string and knots. In the absence of an alphabetic writing system, this simple and highly portable device achieved...

The caravel (caravela in Spanish and Portuguese), was a type of medium-sized ship which, with its low draught and lateen or triangular sails, made it ideal for exploration from the 15th century onwards. Fast, manoeuvrable, and only needing...

Alchemy is an ancient practice aimed at recreating precious substances using recipes and transformative materials such as the philosopher's stone. Alchemists believed that materials like gold, silver, gems, and purple dye could be recreated...

Timbuktu (Timbuctoo) is a city in Mali, West Africa which was an important trade centre of the Mali Empire which flourished between the 13th and 15th centuries. The city, founded c. 1100, gained wealth from access to and control of the trade...

The Library of Ashurbanipal (7th century BCE) is the oldest known systematically organized library in the world, established in Nineveh by the Neo-Assyrian king Ashurbanipal (r. 668-627 BCE) to preserve the history and culture of Mesopotamia...

Adam Smith (1723-1790) was a Scottish philosopher, economist, and leading Enlightenment figure. In The Wealth of Nations, he advocates free trade and limited interference in markets by governments, for which he is seen as the founder of liberal...

The polytheistic religion of the ancient Celts in Iron Age Europe remains obscure for lack of written records, but archaeology and accounts by classical authors help us to piece together a number of the key gods, sacred sites, and cult practices...

Thales of Miletus (l. c. 585 BCE) is regarded as the first Western philosopher and mathematician. He was born and lived in Miletus, a Greek colony in Ionia (modern Turkey) referenced as the birthplace of Greek Philosophy because of his high...