It must be a slightly surreal sight. Imagine being a diver and coming across a group of sperm whales, not swimming but floating upright and motionless in the open sea. If you ever see such a scene, ...

Blood rushes through its veins and the whale’s enormous body shakes slightly Blue whales are the largest animal ever to have lived – including the dinosaurs – which also makes them the largest animal ...

Sperm whales found fast asleep at sea. An accidental encounter with a pod of sleeping sperm whales has opened researchers’ eyes to some unknown sleep behaviours of these giant sea creatures. Counter ...

When one of the largest animals in the ocean takes a nap, it can look pretty weird. Popular photos have surfaced online showing sperm whales gathered together, seemingly motionless and arranged ...

Unlike humans, whales and dolphins have evolved a fascinating way to sleep without drowning. They utilize unihemispheric sleep, keeping one half of their brain active while the other rests. This ...