Photo of the Day

Theology students sit on the floor to take an exam in a mosque in Egypt
December 17, 2019

Test Time

Students take an exam at a mosque in Egypt in 1922. While the picture is old, The Mosque of Amir Altinbugha al-Maridani is even older—dating all the way back to 1340.

Photograph by Donald McLeish, National Geographic

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history