Thirty-three shark and twenty stingray species have been recorded swimming in seas around Greece in the last 90 years.

For decades, sharks have been cast as the ultimate solitary predators — cold, instinct-driven “killing machines” that roam the ocean alone. Species like the bull shark (Carcharhinus leucas) were long ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was made ...