After nine months, the strange behavior that claimed the lives of endangered sawfish is back. Here’s what we know about ...

The sighting “highlights the importance of modern, cost-effective technologies to survey the deep sea and locate these lost sharks before they vanish.” ...

While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...

Understanding hammerhead sharks’ food preferences could aid efforts to protect the critically endangered fish.