Astronomy: Did you mean...?

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...

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...

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...

Nisaba (also Naga, Se-Naga, Nissaba, Nidaba, and associated with Nanibgal) is the Sumerian goddess of writing, accounts, and scribe of the gods. Although her name is commonly given as Nidaba...

Selene (also known as Mene) is the personification and goddess of the moon in Greek mythology. Every night, she travels across the sky in her chariot, pulling the moon behind her. Selene is the daughter of the Titans Hyperion and Theia...

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...

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...

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...

The Roman Empire and its predecessor the Roman Republic produced an abundance of celebrated literature; poetry, comedies, dramas, histories, and philosophical tracts; the Romans avoided tragedies. Much of it survives to this day...

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...