Do animals sleep and, if so, how much? Read here about the fascinating sleeping patterns of animals - including humans.

Researchers collected images of 445 different species and the data could redefine how some animals are classified.

Another reason giraffes sleep so little is that they are ruminating animals and need to constantly chew their food to break it down. You can’t chew when you are asleep. As diurnal animals ...

Hosting squirrels in the attic might seem harmless, but they wreak havoc on your home. Here's how to send them scurrying—for ...

At this new safari camp in Kenya, the adventure doesn’t end when the sun goes down. Instead, the night sky becomes the main ...

Why do bees need to sleep in flowers if they have hives and nests they can go home to? Why do they look passed out? Click here to find out.

Paleontologists in Australia discovered a remarkably preserved fish species, revealing its last meal and offering new insights into the region’s historic ecosystem.

Many animals exhibit distinct activity cycles, including diurnal rhythms of foraging that minimize conflict for limited food supplies. That led researchers to wonder if plankton diversity might ...

The colours are similar to the hue of nocturnal animals, such as moles ... may have enabled these species to avoid predation by diurnal carnivores and, furthermore, may have helped them to ...

There are currently around 30 wolves in the state — a combination of reintroduced animals from Oregon and British Columbia ... meaning they are neither nocturnal nor diurnal. “They’re most active ...