Trade has been, since time immemorial, one of the main driving forces behind contact between civilizations. In this context, ...

For the next few weeks, the planet Mars will form an isosceles triangle with the two bright stars marking the heads of the ...

At a time when knowledge of the world was fragmented and based on travelers’ and merchants’ accounts, one man set out to ...

The contributions of Egyptian and Mesopotamian astronomers laid the foundation for much of Western astrology. Greek astronomer Claudius Ptolemy, who lived in Egypt, built upon Babylonian knowledge in ...