A huge city that's as big as some European countries and where some of its residents never get to see sunlight has gone viral ...

Science Fiction delights in showing us grim, dark, giant, and dystopian future cities of covered in garbage and where life is cheap, but how realistic are such metropolises and how can we avoid living ...

Cities may be a long way from hovercrafts and Hyperloops, but they're slowly catching up to the visions of science fiction. Technologies that once seemed impossible, like driverless cars and drone ...