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, ...

Giant prehistoric insects may not have depended on high oxygen levels after all. Scientists now think something else must ...

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 ...

Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their ...

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