Sharks and humans have "fully vascularized" hearts, she said. That's in contrast to most bony fish species, which have no coronary arteries and rely on their hearts to pick up whatever oxygen is left ...

In recent years, ocean watchers and marine scientists have noticed something unusual: gentle giants like basking sharks are showing up in places they haven't been spotted in decades — and in numbers ...

CHATHAM, Mass. — A boy's love of sharks is getting some major attention as he battles heart disease, and even caught the eye of the Atlantic White Shark Conservancy in Chatham, Massachusetts. The ...

This time of year, it's hard to escape sharks – on TV at least. But perhaps that heartbeat-like theme from "Jaws" – ba-dump, ba-dump – has you wondering, "What might I learn about my own heart from a ...