Aggression in the animal kingdom can take many forms, including biting, charging, and stinging. Some animals lash out to ...

Mistreating a dog may come back to bite you. Scientists have long known that childhood abuse, neglect, and trauma can have lifelong consequences in humans. Now, a study by Harvard scientists links ...

Sealed surfaces, artificial light and constant noise: What is part of everyday life for humans poses major challenges for ...

City environments subject animals to noise, light, crowding, and fragmented habitats that subtly but powerfully reshape how they communicate.

A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

The manatee (Trichechus) is an herbivore that is not aggressive and doesn't prey on other species. A manatee is a peaceful beast that spends much of the day sleeping and swimming lazily. Inconsistent ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...