SeaWorld has announced the death of its famed killer whale, Katina. "Katina was 50 years old, and her health had begun to ...

Loneliness is a growing concern. A viral visual test offers insights into why people feel emotionally distant. By observing what you see first in an image, the test suggests personal habits and ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region. A pygmy sperm whale was ...