The terms "bug" and "insect" are commonly used interchangeably in everyday language, yet scientifically, they refer to distinct categories of creatures. Insects belong to the vast class Insecta, ...

A new study more than doubles previous estimates of how many distinct kinds of insects are currently inhabiting the planet.

A study in Costa Rica has big implications for extinction and conservation.

Insects are strange, wondrous beings. Butterflies can see parts of the light spectrum that are invisible to human eyes and use these ultraviolet patterns to find their way to tasty plants. Moths use ...