Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells reveals how they grew, what they ate and even their body temperature.

Large mammals in Yellowstone adapt to summer heat by changing behavior—shaped more by landscape than biology, a new study ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

Animals explores the world of the wolf, the canine that has fascinated humans for centuries, making appearances in our literature, lore, and art. Watch to discover the largest wolf species in the ...

The 62 big cats and two brown bears were being evaluated and treated before their eventual transfer to animal sanctuaries ...

Scientists caution fisheries and climate change still threaten the animals. Sustained conservation efforts must continue so ...

More than 700 dogs and cats from across Southern California are heading to the Rose Bowl Stadium this weekend for one of the ...

Pasadena Humane says it rescued nearly 100 small pets from a single home in Arcadia this week — one of the largest ...

For the ninth year, New York Road Runners and New York Therapy Animals are partnering together to bring therapy dogs to the ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

The Antarctic blue whale (Balaenoptera musculus ssp. Intermedia) is the largest animal on the planet, but it is critically ...

Utah couple Doug and Lynne Seus's bears have starred alongside famous Hollywood names like Anthony Hopkins, Matt Damon and ...