On 40 years of the most exuberant and curious and beloved and detested Muppet. How do you feel about Elmo?

Flocks of birds manage complex social lives with a kind of effortless coordination that many humans struggle to match. By ...

Thanksgiving tends to get the shaft when it comes to themed-holiday episodes compared to its sister holidays. Sure, it's fun ...

For some social birds, raising their young or finding food is a group effort. Learn more about cooperative bird behavior.