A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white ...

Relatively little is known about Denisovans, an extinct group of human cousins that interacted with Neanderthals and Homo sapiens.

At the forefront of hit movies like “Jaws,” “47 Meters Down” and “Sharknado,” sharks are often represented as fearsome, dangerous creatures — despite posing a statistically low risk to humans.