Three hundred million years ago, the largest insect ever known to humankind hunted in fern jungles and boasted an enormous wingspan of nearly 2.5 feet. Different from modern dragonflies in its size ...

Dragonflies are one of the most useful insects for humans, as many of them feed off of mosquitoes. They are large for modern insects, but few subspecies ever grow beyond more than 3 inches long.

Giant insects disappeared thanks to falling oxygen levels and agile birds Explore the fascinating story of Meganeura dragonfly, the giant of prehistory, and its link to insect size evolution. Written ...