Animals

Although cute, cats are skilled hunters and can be deadly to other animals.

Cruella De Vil might be merely a fictional character, but she could also be inspired by the story of Juliet Tuttle, a millionaire accused of being the most prolific animal killer in history.

The world is changing, and the oceans are changing with it. For some species, these changes are troubling.

Hidden in the mountains of Indonesia, this species continues to survive extinction.

The sound, described as resembling a quack, continues to be an unfathomable enigma.

There's a reward for those who can wait. Cuttlefish know it well.

The recordings raise the possibility of self-talk in dolphins, a behavior never observed before.

Following the death of the cetacean in September, an investigation appears to be bringing this story to a close.

The story of Guam is set to become a future case study on the devastating impact of a single invasive species on an ecosystem.

Specially trained rodents are nearly ready to patrol ports, helping to combat species smuggling.

Dogs have been companions to humans for at least 17,000 years. During this time, they’ve evolved significantly. They're still evolving.

A Montana rancher pleaded guilty after cloning a protected species to create hybrids for hunting.