Natural selection changed just 13 genes to separate your Felix and Fluffy from their African wildcat ancestor.

Reports surface of aggressive behavior but canine expert says there may be understandable reasons.

Laughter is so fundamental that animals like chimps, rats and dogs share the ability with humans. But in people it serves more serious social functions than just letting others know you’re having fun.

Returns cost companies billions of dollars in lost sales. They also generate emissions and packaging waste. Two logistics experts offer some tips from psychology for more sustainable returns.

Science has shown that violence among monkeys, rats, and mice increases when the weather is warm. Now it seems we can add dogs to the list.

Study shows moving can help foster a more robust social network, by strengthening “long ties” with others.

No matter their age, gender, ethnicity or locale, kids undergoing this therapy can make real progress in recovering from the most devastating traumas.

A collaboration between MIT and Miami-Dade County has students working with city planning officials to understand why people wait patiently for a bus — and why they bail.

In politics, tailored ads make sense, but with real limits to the tailoring.