Social media is buzzing over a picture of a massive dragonfly posted to Facebook by the U.S. Fish and Wildlife Service.

The biggest dragonfly of them all. Meganeura monyi was the largest early dragonfly known to exist. This species was a predator that would have eaten other insects, with spines on its legs to trap and ...

While the mosquito might be an obvious choice, dragonflies can stop on a dime at 35 miles an hour and even fly backward.

Giant dragonfly (petalurids) have been around for at least 190 million years. Dinosaurs came and went, while petalurids dispersed over much of the world.

Dragonflies are widely considered the most efficient hunter in the animal kingdom, with some studies reporting a success rate ...