Both snakes are deadly, but which is more venomous, aggressive, or lethal to humans in a real-life encounter? Find out how they compare.

It wasn't on Cape Cod, but the copperhead snake bit two dogs in Massachusetts outside its usual habitat. Here's how to identify it.

A woman in Oconee County, South Carolina, was taking out her dog when she was bit by a copperhead snake - and it was all caught on camera.