Telescope: Did you mean...?

The Retreat from Kabul in 1842 was one of the most notorious disasters in the history of the British Empire. An East India Company army had invaded Afghanistan but was obliged to withdraw. This army of 4,500 soldiers and 12,000 camp followers...

According to UNESCO, an estimated three million shipwrecks are scattered in the oceans’ deep canyons, trenches, and coral reefs and remain undiscovered. These shipwrecks preserve historical information and provide clues about how people lived...

A map of the Moon's surface by Galileo (1564-1642), drawn using a telescope the astronomer had built himself. The uneven line of shadow aided Galileo in identifying the nature of the Moon's surface and the approximate size of its mountains...