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.

Amid the usual parade of creeping horrors—super lice, mayfly plagues ... human midbrain and the insect brain may even be evolutionarily related, an insect’s inner life is obviously more ...

Scientists scooped sand from a riverbed in Thailand and found two nymphs of rare mayfly species ... a group of flying insects “known for their extremely short adult life spans and emergence ...