New research is shedding light on mysterious sleep mechanisms in an unexpected source: the Australian dragon lizard.

People with this chronotype follow the rise and fall of the sun. Bears spend most of their day awake and sit pretty much in ...

In the wild, several types of whales have been spotted sleeping horizontally, close to the surface. But sperm whales seem to ...

This is unlike other animals, who hibernate or enter a period of inactivity during winter. Spiders and insects also need to rest. Unlike humans, who typically go to sleep at around the same time ...

Especially relevant here are well-documented cases of animals carrying around deceased infants for extended periods of time ...

Social media users could relate to the woman's fear in the viral clip, with one saying "there is nothing more terrifying." ...

Pet owners have been warned of the impact changing the clocks has on animals. Sudden changes can cause confusion, anxiety and ...