An Asian elephant named Happy touched a visible mark on her own head after seeing it in a mirror, passing a test that fewer than a handful of species have ever cleared. The experiment took place in ...

Beluga whales have some of the most iconic faces in the sea, with their marshmallow noggins and upturned mouths—and a new paper reveals they’re more self-aware than previously known. A study published ...

Belugas are highly intelligent marine mammals with intricate communication systems and strong social bonds. Now, new research suggests that the toothed whales are also self-aware. According to a study ...