In humans, personality similarity between partners can lead to better compatibility and well-being. Is the same true for ...

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

AI-generated images, expert analysis, and one verified sighting have become one of St. Louis’ strangest viral moments.

This story is part of a collaboration with The Post and Courier of Charleston, South Carolina. A federal health agency that has promised to scale back its animal research has drawn the attention of ...

The recent escape of several research monkeys after the truck carrying them overturned on a Mississippi interstate is the latest glimpse into the secretive industry of animal research and the ...