Migration trends are transforming the U.S. Discover the cities projected to boom by 2100 and why people keep moving there.

Over the next 75 years, the U.S. population will increasingly concentrate around a few key regions megaregions throughout the country. While some of the populations of some of the largest cities will ...

Earth will be home to 8.8 billion souls in 2100, two billion fewer than current UN projections, according to a major study published Wednesday that foresees new global power alignments shaped by ...

As climate change drives rising temperatures, new research reveals that urban form and economic capacity will determine which cities adapt and which struggle when the world’s largest urban centers ...