Khalil Wheeler-Weaver, a clean-cut young man from a law enforcement family, was stalking the streets and dating apps for his next target. Investigators didn’t connect him to the crimes — but they ...

In the North Pacific, orca fins with signs of cannibalism are washing up on a Russian beach. The findings suggest that killer whales occasionally participate in cannibalism, which might explain why ...

In rare sightings, scientists spotted endangered blue whales during two aerial surveys 24 hours apart off the coast of New ...

A group of tourists in Guanacaste, Costa Rica had a once-in-a-lifetime encounter with a whale shark. This came as they were ...

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...