"Engaging in play is one of the clearest signs your dog is happy," Dr. Cahn raves. "You may notice a play bow, bringing you a ...

Photographer Gerrard Gethings searched the UK for human-dog pairings. After doing a similar project with cats, he's now working on a new series.

"The animal world's most fearsome natural villains", the Wolf, can be found living in Wiltshire - find out more about the largest ...

From penguins to bonobos, queer behaviors in wildlife are natural and diverse. Learn how animals challenge human taboos and ...

The viral video shared on Instagram last Sunday under the username @hammyandolivia, shows the 18-month-old Pembroke Welsh ...

"My dog is the same way. I had her before I met my husband and now all she does is wait for him to get home," one user said.

Biologists often form deep bonds with the species they study. For some, that relationship begins early in their careers and ...

These deadly animal movies went for authenticity — often with terrifying results. But sometimes they just looked fun and ...

In Brevard County, Florida, an American crocodile was discovered Monday having a dead dog in its mouth. Residents of Satellite Beach say it took place around multiple homes on S. Patrick Drive, and ...

A large study in pet dogs has uncovered potential new biomarkers of aging that could one day help both dogs and humans live longer, healthier lives. Scientists have long searched for biological ...

UCL scientists found that human skulls evolved much faster than those of other apes, reflecting the powerful forces driving ...

From blood-squirting lizard eyes to zombie cockroaches, the natural world is ready for a truly terrifying Halloween.