The time of year an animal goes into hibernation depends on its species and the current temperatures. Some animals only hibernate for a few weeks, while other true hibernators rest for moths. List ...

Every winter, some animals disappear into a deep sleep, surviving the freezing temperatures in hibernation. From bears and ...

The cold, dark winter months can make it difficult for animals to find food and water. Hibernation helps some animals survive this time. These animals become inactive to save energy. An animal in ...

Improved organ transplantation, enhanced anorexia treatments and even the possibility of sending people deeper into space — Yale researchers believe that studying animals’ natural processes, like ...