Some of the most caring animal fathers are insects.

Animals have these kinds of brain hemisphere biases too.

Ferns have evolved a mutually beneficial relationship with ants, but this happened late in their evolution. A recent study shows that old dogs can learn new tricks.

Dozens of animals, some on land but many in the ocean, can produce light within their bodies through chemical reactions. Scientists are still trying to understand when and why this trait developed.

Humans aren’t the only animals that have names for each other − and studying animals that use names can teach researchers more about how human names evolved.

Giraffe necks are a hot topic among biologists. A new study contradicts an older theory that says male giraffes need long necks to fight over mates.

When extreme heat arrives, people can seek safety in air-conditioned buildings. Are wild animals doomed?

Human culture has changed too fast for evolution to keep up.

It may not be obvious to the human ear but birds of the same species sing in different dialects.