Coastal populations are expanding quickly around the world. The rise is evident in burgeoning waterfront cities and in the increasing damage from powerful storms and rising sea levels. Yet, reliable, ...

An ancestral human species faced a startling population bottleneck and teetered on the brink of extinction around 800,000 years ago, according to new research. Reading time 3 minutes Humankind ...

Human ancestors nearly died out between around 930,000 to 813,000 years ago in an evolutionarily pivotal population bust, a contested new study concludes. This potential winnowing of human ancestors ...