Many of the world’s largest cities remain relatively unknown outside their regions. Rapid urbanization, particularly in Asia and Africa, has driven the growth of these megacities. Cities like ...

The U.S. capital is tiny compared to many of the world’s largest cities, a new report on urbanization around the globe shows. Tokyo has lost its status as the world’s largest city, with another ...

Nov. 25 (UPI) --In just seven years, Jakarta, Indonesia, took a giant leap from 33rd biggest city in the world to surpass Tokyo at the top of the list. The city has grown to 42 million residents.

Looking for the best cities in the world to visit? In its 10th annual report, Time Out ranks the world’s top cities. Three ...

Sea levels are rising faster than in 4,000 years, putting some of the world's largest cities at growing risk of flooding and sinking.