More than half of all known animal species on Earth are insects — critters with a hard external skeleton, three pairs of jointed legs, antennae and a body divided into three segments (the head, thorax ...

Centipedes are not insects either. But centipedes are more closely related to insects than worms are. And that is because ...

Despite differences in shape and size all insects are characterized by a body organization that includes three units: a head, thorax and abdomen (panels A-B). In contrast all spiders (and other ...

With their proportionately bulky bodies supported by puny wings, many flying insects look about as airworthy as a Mack truck. French Zoologist Antoine Magnan once studied bumblebees for several years, ...