A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

The Palestinian Jafra Dabke Team performs a traditional dabke dance while wearing latex gloves and surgical masks, in Tarqumya, a town in the occupied West Bank. Photograph by Hazem Bader, AFP/Getty ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration ...

The Times Higher Education World University Rankings 2020 includes almost 1,400 universities across 92 countries, standing as the largest and most diverse university rankings ever to date. The table ...