Crawfish, crawdads, and crayfish all look the same, but there's one difference that has more to do with the person preparing ...

What do crayfish and the metal mercury tell us about clean water? What do animal adaptations tell us about their environment. Meet a scientist who studies crayfish and hopes they will show him how ...

Crawfish and lobster are both edible crustaceans, but they're certainly not interchangeable in most recipes. Here's how they ...