Four white sharks ping off the Florida Gulf Coast, not only aligning with vacationers heading south to avoid winter weather, but highlighting the Gulf as a critical habitat for white sharks.

PORTLAND, Maine(AP) — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put ...

Honolulu Ocean Safety shut down swimming at Laniakea Beach on Saturday afternoon after lifeguards spotted a roughly 4-foot shark cruising close to shore. Warning signs went up, people were told to ...