Recent decades have seen fireflies become scarce in certain areas, and scientists warn that some have experienced concerning ...

Due to chemicals, light pollution and other factors, fireflies are dwindling in numbers compared to a few decades ago.

Fireflies are harbingers of sweltering midsummer heat, but the regional renaissance is tied to conditions in the spring.

Learn more about how some firefly species may use pheromone receptors along with bioluminescence to attract partners.