There is ever-growing interest in the ways in which a wide variety of nonhuman animals (animals) deal with the ups and downs of their lived experiences in many different contexts. In his new edited ...

Cockroaches that catch a ride on ants. Grasshoppers that climb aboard sheep. Hitchhiking animals are more common than you think. A classic example of phoresy, the remora uses a modified fin that ...

Today, Earth is home to animals of all shapes and sizes, from nearly microscopic creatures like tardigrades to 80-foot-long (25 meters) blue whales. These organisms have arisen and evolved over ...