At that point, the world’s population will start to shrink, something it has not done since the 14th century, when the Black Death wiped out perhaps a fifth of humanity. A lower-than-expected peak in ...

In their new book After the Spike, demographers Dean Spears and Michael Geruso make the counterintuitive case for worrying less about overpopulation and more about depopulation. Comparing it to ...

Some experts have suggested that conscripting more women could solve South Korea's problem, which the Defence Ministry has ...

To stop them from becoming space junk, satellite operators send spacecraft to burn up in the atmosphere at mission’s end. The environmental impacts are still uncertain. Early on a Sunday morning in ...

Fiscal systems designed around income and consumption struggle to capture wealth, and billionaires are highly mobile ...

Five-year-old Pulsing Ajnera was playing with his brothers in a field near their home in the western Indian state of Gujarat, ...