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 ...

Helmetia expansa was found to have walking legs and molting behavior, changing assumptions about its mobility and growth. For ...

It's not just snakes that shed. Animals like caterpillars, birds, and frogs do, too. Here's a list of 10 animals that shed.