Mayflies don't bite and adults only live for a day, but you don't want to get stuck in a swarm. Here's what to know about the mayfly insect.

Knee-deep in a river of northern Thailand, scientists scooped up some sand with a net and sifted through it. Hidden between ...

Mayflies are a group of flying insects “known for their extremely short adult life spans and emergence in large numbers in the summer months,” according to Britannica. “Given their ...