Some animals on land have evolved to produce light, too. Glow-worms are a group of beetles that use their luminosity to help them flag down an appropriate mate. Glow-worms belong to the family ...

This total lunar eclipse — the first in three years — will feature a "blood worm moon," so named for the reddish hue of its glow and the time of year ... That's because it will be illuminated by light ...

They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

Barber, V. C., and Dilly, P. N. (unpublished work). Barber, V. C., and Pilcher, C. W. T. (unpublished work).

The daily light show was one of the perks of renovating the home of thousands of glow-worms, but keeping them safe in a remote disused railway tunnel in Central West New South Wales created ...

The "blood worm moon," so named for the reddish hue of its glow and the time of year it's occurring, will be visible in every U.S. state. Night owls across the U.S. and other parts of the world ...