Contender, a 1,700-pound adult great white shark, was seen moving north after spending time in Florida waters.

Authorities are calling on locals and tourists to help unlock a mystery in Aussie waters. A "highly unusual" number of whale ...

In the deep ocean, far from sunlight, a small shark has been quietly carving perfect circles of flesh out of animals many times its size. For decades, those neat, crater-like wounds on whales, tuna, ...

The value of eDNA goes beyond white sharks. It’s proving to be a low-cost, noninvasive way to detect rare species and fill in knowledge gaps that traditional methods often can’t. Most people don’t ...