Kakapos, which are reclusive and flightless and can live as long as humans, are found only in New Zealand. They feed on the fruit of the rimu tree.

Why does a Caribbean angelfish sometimes resemble its Indo-Pacific cousin, even though they have never lived in the same ocean? Why do coral reefs harbor such a wide range of stripes, spots and ...

Being right- or left-handed is a familiar fact about yourself you likely don’t think about much on a day-to-day basis. However, your handedness affects how you interact with the world. For many people ...

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Being right- or left-handed is a familiar fact about yourself that you likely don't think about much on a day-to-day basis. However, your handedness affects how you interact with the world.

When a species lives in two distinct types of habitats, individuals with traits better suited to each habitat will thrive and reproduce, naturally selecting descendants with those traits. But what ...

With the face of a Muppet and the physique of a Furby, the Kākāpō is an all-around preposterous creature. It’s nocturnal, ...