Add Yahoo as a preferred source to see more of our stories on Google. Often mistaken for fireflies or even worms, Orfelia fultoni are actually the glowing larvae of a fungus gnat. Measuring just 1.5 ...

(CN) — The Xerces blue butterfly was last seen in the early 1940s in San Francisco. The small, iridescent blue insect, originally discovered in 1852, was endemic to and once plentiful among the ...

Turning blue is not something we tend to associate with a viral infection. And yet, this Smurf-like symptom is common among invertebrates. Photographer Josh Coogler from Dallas, North Carolina, found ...

Most of the periodical cicadas emerging across the eastern U.S. in this year's rare dual emergence event have blood-red eyes, but sightings of blue-eyed variants have recently been reported. When you ...