A genetic mystery in white sharks (formerly great white sharks) has stumped scientists for over 20 years. Between three major populations of the sharks, differences in mitochondrial DNA have raised ...
The ocean is full of mighty hunters. Two of the most feared are the shark and the orca (killer whale). Sharks are ancient, solitary predators. They have rows of razor-sharp teeth, whereas orcas are ...
Sleeper sharks live extraordinarily long lives and can thrive in near-freezing ocean temperatures near Earth's poles.