Dogs tilt their heads to see better. because their big noses block their vision. Humpback whales jump using their peduncle muscle. Spiders shed their old skin to grow bigger. Hippos sweat sunscreen ...

In the heart of the nation's capital, in a courthouse of the U.S. government, one man will stop at nothing to keep his honor, and one will stop at nothing to find the truth.

Learn how people across cultures accept animal empathy while viewing human thinking as fundamentally different.

Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...

How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that question. The journal Royal Society Open Science published a survey of 100 researchers of ...

Dogs and cats don’t just communicate with their tails; they have other ways that allow humans to understand the emotions they ...

WASHINGTON — When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes? Researchers will be standing by to observe how ...

A rhesus macaque on Cayo Santiago, which is less than a mile east of Puerto Rico. Rhesus macaques spend upwards of 20 percent of their time engaged in cooperative behaviors like grooming. Andi ...