If you lose your sight, you make up for it with other senses. If one arm is amputated, you learn to do twice as many things ...

Dunn’s team analyzed the biological “budget” of these primates and found a direct negative correlation: males with large ...

Howler monkeys are relatively small primates known for their incredibly loud, low-frequency roars that sound as if they come from a much larger creature. This is useful in the animal kingdom because ...

Our planet is home to thousands upon thousands of species, large and small, cute and ugly, and human activity has driven many of them to the brink of extinction in just the past few decades. Today, we ...