Over the past century, the world's human population has exploded from around 2 billion to 8 billion. Meanwhile, the average fertility rate has gradually declined. And if that trend continues as it has ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

A rare North American bumble bee may have been on a path toward extinction long before modern human impacts, suggesting that its long-term genetic ...

Mushrooms may not be the first food that comes to mind when we imagine the diets of wild primates—or our early human ancestors. We tend to think of fruits and green leaves as the preferred foods for ...