In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation for modern geometry and physics.

Egypt is inaugurating the Grand Egyptian Museum, the world's largest museum dedicated to its ancient civilization and an effort aimed at boosting the country's tourism industry and troubled economy.

Near the ancient Pyramids of Giza just outside Cairo, the Grand Egyptian Museum (GEM) is gearing up for its lavish opening on Saturday after two decades of delays.

Egypt on Saturday is inaugurating the Grand Egyptian Museum, aiming to boost tourism and revitalize the economy ...